| Revenue | $m | 263Revenue, period not labelled, three months to 2023-09-30$262.7m. XBRL concept us-gaap:Revenues. 10-Q filed 2024-11-12, accession 0001193125-24-256069.Report this figure | 275Revenue, period not labelled, three months to 2024-03-31$275.4m. XBRL concept us-gaap:Revenues. 10-Q filed 2025-05-12, accession 0001193125-25-117801.Report this figure | 300Revenue, period not labelled, three months to 2024-06-30$300.0m. XBRL concept us-gaap:Revenues. 10-Q filed 2025-08-11, accession 0001193125-25-177969.Report this figure | 314Revenue, Q3 FY2024, three months to 2024-09-30$314.4m. XBRL concept us-gaap:Revenues. 10-Q filed 2025-11-10, accession 0001193125-25-274298.Report this figure | 339dRevenue, period not labelled, three months to 2024-12-31$338.6m. XBRL concept us-gaap:Revenues. 10-K filed 2026-03-11, accession 0001193125-26-102172. Derived: 12-month figure less the 9-month figure.Report this figure | 329Revenue, Q1 FY2025, three months to 2025-03-31$329.3m. XBRL concept us-gaap:Revenues. 10-Q filed 2026-05-06, accession 0001193125-26-209021.Report this figure | 344Revenue, Q2 FY2025, three months to 2025-06-30$344.3m. XBRL concept us-gaap:Revenues. 10-Q filed 2026-08-06, accession 0001193125-26-338074.Report this figure | 377Revenue, Q3 FY2025, three months to 2025-09-30$377.4m. XBRL concept us-gaap:Revenues. 10-Q filed 2025-11-10, accession 0001193125-25-274298.Report this figure | 398dRevenue, Q4 FY2025, three months to 2025-12-31$397.6m. XBRL concept us-gaap:Revenues. 10-K filed 2026-03-11, accession 0001193125-26-102172. Derived: 12-month figure less the 9-month figure.Report this figure | 337Revenue, Q1 FY2026, three months to 2026-03-31$336.6m. XBRL concept us-gaap:Revenues. 10-Q filed 2026-05-06, accession 0001193125-26-209021.Report this figure | 352Revenue, Q2 FY2026, three months to 2026-06-30$351.8m. XBRL concept us-gaap:Revenues. 10-Q filed 2026-08-06, accession 0001193125-26-338074.Report this figure |
|---|
| Cost of revenue | $m | 211Cost of revenue, period not labelled, three months to 2023-09-30$210.5m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2024-11-12, accession 0001193125-24-256069.Report this figure | 220Cost of revenue, period not labelled, three months to 2024-03-31$220.3m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2025-05-12, accession 0001193125-25-117801.Report this figure | 239Cost of revenue, period not labelled, three months to 2024-06-30$238.7m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2025-08-11, accession 0001193125-25-177969.Report this figure | 254Cost of revenue, Q3 FY2024, three months to 2024-09-30$253.5m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2025-11-10, accession 0001193125-25-274298.Report this figure | 271dCost of revenue, period not labelled, three months to 2024-12-31$271.5m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-K filed 2026-03-11, accession 0001193125-26-102172. Derived: 12-month figure less the 9-month figure.Report this figure | 265Cost of revenue, Q1 FY2025, three months to 2025-03-31$265.0m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2026-05-06, accession 0001193125-26-209021.Report this figure | 276Cost of revenue, Q2 FY2025, three months to 2025-06-30$276.2m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2026-08-06, accession 0001193125-26-338074.Report this figure | 303Cost of revenue, Q3 FY2025, three months to 2025-09-30$302.7m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2025-11-10, accession 0001193125-25-274298.Report this figure | 312dCost of revenue, Q4 FY2025, three months to 2025-12-31$312.1m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-K filed 2026-03-11, accession 0001193125-26-102172. Derived: 12-month figure less the 9-month figure.Report this figure | 260Cost of revenue, Q1 FY2026, three months to 2026-03-31$260.3m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2026-05-06, accession 0001193125-26-209021.Report this figure | 272Cost of revenue, Q2 FY2026, three months to 2026-06-30$271.7m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2026-08-06, accession 0001193125-26-338074.Report this figure |
|---|
| Gross profit | $m | 52.2Gross profit, period not labelled, three months to 2023-09-30$52.2m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2024-11-12, accession 0001193125-24-256069.Report this figure | 55.1Gross profit, period not labelled, three months to 2024-03-31$55.1m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2025-05-12, accession 0001193125-25-117801.Report this figure | 61.3Gross profit, period not labelled, three months to 2024-06-30$61.3m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2025-08-11, accession 0001193125-25-177969.Report this figure | 60.9Gross profit, Q3 FY2024, three months to 2024-09-30$60.9m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2025-11-10, accession 0001193125-25-274298.Report this figure | 67.1dGross profit, period not labelled, three months to 2024-12-31$67.1m. XBRL concept us-gaap:GrossProfit. 10-K filed 2026-03-11, accession 0001193125-26-102172. Derived: 12-month figure less the 9-month figure.Report this figure | 64.3Gross profit, Q1 FY2025, three months to 2025-03-31$64.3m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-05-06, accession 0001193125-26-209021.Report this figure | 68.1Gross profit, Q2 FY2025, three months to 2025-06-30$68.1m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-08-06, accession 0001193125-26-338074.Report this figure | 74.7Gross profit, Q3 FY2025, three months to 2025-09-30$74.7m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2025-11-10, accession 0001193125-25-274298.Report this figure | 85.5dGross profit, Q4 FY2025, three months to 2025-12-31$85.5m. XBRL concept us-gaap:GrossProfit. 10-K filed 2026-03-11, accession 0001193125-26-102172. Derived: 12-month figure less the 9-month figure.Report this figure | 76.3Gross profit, Q1 FY2026, three months to 2026-03-31$76.3m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-05-06, accession 0001193125-26-209021.Report this figure | 80.0Gross profit, Q2 FY2026, three months to 2026-06-30$80.0m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-08-06, accession 0001193125-26-338074.Report this figure |
|---|
| Selling, general and administrative | $m | 58.5Selling, general and administrative, period not labelled, three months to 2023-09-30$58.5m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2024-11-12, accession 0001193125-24-256069.Report this figure | 47.2Selling, general and administrative, period not labelled, three months to 2024-03-31$47.2m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2025-05-12, accession 0001193125-25-117801.Report this figure | 44.3Selling, general and administrative, period not labelled, three months to 2024-06-30$44.3m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2025-08-11, accession 0001193125-25-177969.Report this figure | 165Selling, general and administrative, Q3 FY2024, three months to 2024-09-30$165.5m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2025-11-10, accession 0001193125-25-274298.Report this figure | 50.3dSelling, general and administrative, period not labelled, three months to 2024-12-31$50.3m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-K filed 2026-03-11, accession 0001193125-26-102172. Derived: 12-month figure less the 9-month figure.Report this figure | 51.3Selling, general and administrative, Q1 FY2025, three months to 2025-03-31$51.3m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2026-05-06, accession 0001193125-26-209021.Report this figure | 55.6Selling, general and administrative, Q2 FY2025, three months to 2025-06-30$55.6m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2026-08-06, accession 0001193125-26-338074.Report this figure | 58.4Selling, general and administrative, Q3 FY2025, three months to 2025-09-30$58.4m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2025-11-10, accession 0001193125-25-274298.Report this figure | 54.7dSelling, general and administrative, Q4 FY2025, three months to 2025-12-31$54.7m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-K filed 2026-03-11, accession 0001193125-26-102172. Derived: 12-month figure less the 9-month figure.Report this figure | 58.6Selling, general and administrative, Q1 FY2026, three months to 2026-03-31$58.6m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2026-05-06, accession 0001193125-26-209021.Report this figure | 59.4Selling, general and administrative, Q2 FY2026, three months to 2026-06-30$59.4m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2026-08-06, accession 0001193125-26-338074.Report this figure |
|---|
| Operating income | $m | (6.3)Operating income, period not labelled, three months to 2023-09-30−$6.3m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2024-11-12, accession 0001193125-24-256069.Report this figure | 7.9Operating income, period not labelled, three months to 2024-03-31$7.9m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-05-12, accession 0001193125-25-117801.Report this figure | 17.0Operating income, period not labelled, three months to 2024-06-30$17.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-08-11, accession 0001193125-25-177969.Report this figure | (105)Operating income, Q3 FY2024, three months to 2024-09-30−$104.6m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-11-10, accession 0001193125-25-274298.Report this figure | 16.8dOperating income, period not labelled, three months to 2024-12-31$16.8m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-03-11, accession 0001193125-26-102172. Derived: 12-month figure less the 9-month figure.Report this figure | 13.0Operating income, Q1 FY2025, three months to 2025-03-31$13.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-05-06, accession 0001193125-26-209021.Report this figure | 12.6Operating income, Q2 FY2025, three months to 2025-06-30$12.6m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-08-06, accession 0001193125-26-338074.Report this figure | 16.4Operating income, Q3 FY2025, three months to 2025-09-30$16.4m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-11-10, accession 0001193125-25-274298.Report this figure | 30.8dOperating income, Q4 FY2025, three months to 2025-12-31$30.8m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-03-11, accession 0001193125-26-102172. Derived: 12-month figure less the 9-month figure.Report this figure | 17.7Operating income, Q1 FY2026, three months to 2026-03-31$17.7m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-05-06, accession 0001193125-26-209021.Report this figure | 20.6Operating income, Q2 FY2026, three months to 2026-06-30$20.6m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-08-06, accession 0001193125-26-338074.Report this figure |
|---|
| Interest expense | $m | 0.7Interest expense, period not labelled, three months to 2023-09-30$716.0k. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2024-11-12, accession 0001193125-24-256069.Report this figure | 0.8Interest expense, period not labelled, three months to 2024-03-31$765.0k. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2025-05-12, accession 0001193125-25-117801.Report this figure | 1.1Interest expense, period not labelled, three months to 2024-06-30$1.1m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2025-08-11, accession 0001193125-25-177969.Report this figure | 1.0Interest expense, Q3 FY2024, three months to 2024-09-30$1.0m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2025-11-10, accession 0001193125-25-274298.Report this figure | 0.4dInterest expense, period not labelled, three months to 2024-12-31$421.0k. XBRL concept us-gaap:InterestExpenseNonoperating. 10-K filed 2026-03-11, accession 0001193125-26-102172. Derived: 12-month figure less the 9-month figure.Report this figure | 0.2Interest expense, Q1 FY2025, three months to 2025-03-31$170.0k. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-05-06, accession 0001193125-26-209021.Report this figure | 0.2Interest expense, Q2 FY2025, three months to 2025-06-30$172.0k. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-08-06, accession 0001193125-26-338074.Report this figure | 0.2Interest expense, Q3 FY2025, three months to 2025-09-30$160.0k. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2025-11-10, accession 0001193125-25-274298.Report this figure | 0.2dInterest expense, Q4 FY2025, three months to 2025-12-31$163.0k. XBRL concept us-gaap:InterestExpenseNonoperating. 10-K filed 2026-03-11, accession 0001193125-26-102172. Derived: 12-month figure less the 9-month figure.Report this figure | 0.2Interest expense, Q1 FY2026, three months to 2026-03-31$154.0k. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-05-06, accession 0001193125-26-209021.Report this figure | 0.2Interest expense, Q2 FY2026, three months to 2026-06-30$154.0k. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-08-06, accession 0001193125-26-338074.Report this figure |
|---|
| Income tax | $m | not reported | 0.0Income tax, period not labelled, three months to 2024-03-31$0. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-05-12, accession 0001193125-25-117801.Report this figure | 0.0Income tax, period not labelled, three months to 2024-06-30$0. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-08-11, accession 0001193125-25-177969.Report this figure | 0.2Income tax, Q3 FY2024, three months to 2024-09-30$176.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-11-10, accession 0001193125-25-274298.Report this figure | 4.4dIncome tax, period not labelled, three months to 2024-12-31$4.4m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-K filed 2026-03-11, accession 0001193125-26-102172. Derived: 12-month figure less the 9-month figure.Report this figure | 3.8Income tax, Q1 FY2025, three months to 2025-03-31$3.8m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-05-06, accession 0001193125-26-209021.Report this figure | 3.8Income tax, Q2 FY2025, three months to 2025-06-30$3.8m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-08-06, accession 0001193125-26-338074.Report this figure | 7.0Income tax, Q3 FY2025, three months to 2025-09-30$7.0m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-11-10, accession 0001193125-25-274298.Report this figure | 9.8dIncome tax, Q4 FY2025, three months to 2025-12-31$9.8m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-K filed 2026-03-11, accession 0001193125-26-102172. Derived: 12-month figure less the 9-month figure.Report this figure | 4.7Income tax, Q1 FY2026, three months to 2026-03-31$4.7m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-05-06, accession 0001193125-26-209021.Report this figure | 7.7Income tax, Q2 FY2026, three months to 2026-06-30$7.7m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-08-06, accession 0001193125-26-338074.Report this figure |
|---|
| Net income | $m | (7.0)Net income, period not labelled, three months to 2023-09-30−$7.0m. XBRL concept us-gaap:ProfitLoss. 10-Q filed 2024-11-12, accession 0001193125-24-256069.Report this figure | 7.1Net income, period not labelled, three months to 2024-03-31$7.1m. XBRL concept us-gaap:ProfitLoss. 10-Q filed 2025-11-10, accession 0001193125-25-274298.Report this figure | 0.0Net income, period not labelled, three months to 2024-06-30$0. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-08-11, accession 0001193125-25-177969.Report this figure | (122)Net income, Q3 FY2024, three months to 2024-09-30−$122.0m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-10, accession 0001193125-25-274298.Report this figure | 11.9dNet income, period not labelled, three months to 2024-12-31$11.9m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-03-11, accession 0001193125-26-102172. Derived: 12-month figure less the 9-month figure.Report this figure | 9.4Net income, Q1 FY2025, three months to 2025-03-31$9.4m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-06, accession 0001193125-26-338074.Report this figure | 9.0Net income, Q2 FY2025, three months to 2025-06-30$9.0m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-06, accession 0001193125-26-338074.Report this figure | 9.8Net income, Q3 FY2025, three months to 2025-09-30$9.8m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-10, accession 0001193125-25-274298.Report this figure | 20.9dNet income, Q4 FY2025, three months to 2025-12-31$20.9m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-03-11, accession 0001193125-26-102172. Derived: 12-month figure less the 9-month figure.Report this figure | 13.3Net income, Q1 FY2026, three months to 2026-03-31$13.3m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-06, accession 0001193125-26-338074.Report this figure | 21.9Net income, Q2 FY2026, three months to 2026-06-30$21.9m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-06, accession 0001193125-26-338074.Report this figure |
|---|