| Revenue | $m | not reported | 175Revenue, period not labelled, three months to 2024-12-31$175.3m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-03-16, accession 0002080126-26-000011.Report this figure | 186Revenue, period not labelled, three months to 2025-03-31$186.2m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-05-14, accession 0002080126-26-000018.Report this figure | 238dRevenue, period not labelled, three months to 2025-06-30$237.6m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-09-15, accession 0002080126-26-000035. Derived: 12-month figure less the 9-month figure.Report this figure | not reported | 296Revenue, Q2 FY2026, three months to 2025-12-31$296.4m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-03-16, accession 0002080126-26-000011.Report this figure | 379Revenue, Q3 FY2026, three months to 2026-03-31$378.7m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-05-14, accession 0002080126-26-000018.Report this figure | 462dRevenue, Q4 FY2026, three months to 2026-06-30$461.7m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-09-15, accession 0002080126-26-000035. Derived: 12-month figure less the 9-month figure.Report this figure |
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| Cost of revenue | $m | not reported | 112Cost of revenue, period not labelled, three months to 2024-12-31$111.6m. XBRL concept us-gaap:CostOfRevenue. 10-Q filed 2026-03-16, accession 0002080126-26-000011.Report this figure | 118Cost of revenue, period not labelled, three months to 2025-03-31$118.1m. XBRL concept us-gaap:CostOfRevenue. 10-Q filed 2026-05-14, accession 0002080126-26-000018.Report this figure | 158dCost of revenue, period not labelled, three months to 2025-06-30$157.9m. XBRL concept us-gaap:CostOfRevenue. 10-K filed 2026-09-15, accession 0002080126-26-000035. Derived: 12-month figure less the 9-month figure.Report this figure | not reported | 195Cost of revenue, Q2 FY2026, three months to 2025-12-31$194.6m. XBRL concept us-gaap:CostOfRevenue. 10-Q filed 2026-03-16, accession 0002080126-26-000011.Report this figure | 248Cost of revenue, Q3 FY2026, three months to 2026-03-31$247.5m. XBRL concept us-gaap:CostOfRevenue. 10-Q filed 2026-05-14, accession 0002080126-26-000018.Report this figure | 295dCost of revenue, Q4 FY2026, three months to 2026-06-30$295.0m. XBRL concept us-gaap:CostOfRevenue. 10-K filed 2026-09-15, accession 0002080126-26-000035. Derived: 12-month figure less the 9-month figure.Report this figure |
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| Gross profit | $m | not reported | 63.8Gross profit, period not labelled, three months to 2024-12-31$63.8m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-03-16, accession 0002080126-26-000011.Report this figure | 68.2Gross profit, period not labelled, three months to 2025-03-31$68.2m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-05-14, accession 0002080126-26-000018.Report this figure | 79.7dGross profit, period not labelled, three months to 2025-06-30$79.7m. XBRL concept us-gaap:GrossProfit. 10-K filed 2026-09-15, accession 0002080126-26-000035. Derived: 12-month figure less the 9-month figure.Report this figure | not reported | 102Gross profit, Q2 FY2026, three months to 2025-12-31$101.8m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-03-16, accession 0002080126-26-000011.Report this figure | 131Gross profit, Q3 FY2026, three months to 2026-03-31$131.2m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-05-14, accession 0002080126-26-000018.Report this figure | 167dGross profit, Q4 FY2026, three months to 2026-06-30$166.7m. XBRL concept us-gaap:GrossProfit. 10-K filed 2026-09-15, accession 0002080126-26-000035. Derived: 12-month figure less the 9-month figure.Report this figure |
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| Selling, general and administrative | $m | not reported | 29.7Selling, general and administrative, period not labelled, three months to 2024-12-31$29.7m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2026-03-16, accession 0002080126-26-000011.Report this figure | 32.1Selling, general and administrative, period not labelled, three months to 2025-03-31$32.1m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2026-05-14, accession 0002080126-26-000018.Report this figure | 58.4dSelling, general and administrative, period not labelled, three months to 2025-06-30$58.4m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-K filed 2026-09-15, accession 0002080126-26-000035. Derived: 12-month figure less the 9-month figure.Report this figure | not reported | 68.1Selling, general and administrative, Q2 FY2026, three months to 2025-12-31$68.1m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2026-03-16, accession 0002080126-26-000011.Report this figure | 78.5Selling, general and administrative, Q3 FY2026, three months to 2026-03-31$78.5m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2026-05-14, accession 0002080126-26-000018.Report this figure | 62.6dSelling, general and administrative, Q4 FY2026, three months to 2026-06-30$62.6m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-K filed 2026-09-15, accession 0002080126-26-000035. Derived: 12-month figure less the 9-month figure.Report this figure |
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| Operating income | $m | not reported | 18.9Operating income, period not labelled, three months to 2024-12-31$18.9m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-03-16, accession 0002080126-26-000011.Report this figure | 22.4Operating income, period not labelled, three months to 2025-03-31$22.4m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-05-14, accession 0002080126-26-000018.Report this figure | 8.3dOperating income, period not labelled, three months to 2025-06-30$8.3m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-09-15, accession 0002080126-26-000035. Derived: 12-month figure less the 9-month figure.Report this figure | not reported | 20.1Operating income, Q2 FY2026, three months to 2025-12-31$20.1m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-03-16, accession 0002080126-26-000011.Report this figure | 39.3Operating income, Q3 FY2026, three months to 2026-03-31$39.3m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-05-14, accession 0002080126-26-000018.Report this figure | 91.9dOperating income, Q4 FY2026, three months to 2026-06-30$91.9m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-09-15, accession 0002080126-26-000035. Derived: 12-month figure less the 9-month figure.Report this figure |
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| Interest expense | $m | not reported | 13.7Interest expense, period not labelled, three months to 2024-12-31$13.7m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-03-16, accession 0002080126-26-000011.Report this figure | 13.2Interest expense, period not labelled, three months to 2025-03-31$13.2m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-05-14, accession 0002080126-26-000018.Report this figure | 12.9dInterest expense, period not labelled, three months to 2025-06-30$12.9m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-K filed 2026-09-15, accession 0002080126-26-000035. Derived: 12-month figure less the 9-month figure.Report this figure | not reported | 21.0Interest expense, Q2 FY2026, three months to 2025-12-31$21.0m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-03-16, accession 0002080126-26-000011.Report this figure | 10.8Interest expense, Q3 FY2026, three months to 2026-03-31$10.8m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-05-14, accession 0002080126-26-000018.Report this figure | 11.4dInterest expense, Q4 FY2026, three months to 2026-06-30$11.4m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-K filed 2026-09-15, accession 0002080126-26-000035. Derived: 12-month figure less the 9-month figure.Report this figure |
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| Income tax | $m | not reported | 0.8Income tax, period not labelled, three months to 2024-12-31$846.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-03-16, accession 0002080126-26-000011.Report this figure | 1.9Income tax, period not labelled, three months to 2025-03-31$1.9m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-05-14, accession 0002080126-26-000018.Report this figure | 1.4dIncome tax, period not labelled, three months to 2025-06-30$1.4m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-K filed 2026-09-15, accession 0002080126-26-000035. Derived: 12-month figure less the 9-month figure.Report this figure | not reported | (0.4)Income tax, Q2 FY2026, three months to 2025-12-31−$400.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-03-16, accession 0002080126-26-000011.Report this figure | 4.4Income tax, Q3 FY2026, three months to 2026-03-31$4.4m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-05-14, accession 0002080126-26-000018.Report this figure | 14.4dIncome tax, Q4 FY2026, three months to 2026-06-30$14.4m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-K filed 2026-09-15, accession 0002080126-26-000035. Derived: 12-month figure less the 9-month figure.Report this figure |
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| Net income | $m | 7.3Net income, period not labelled, three months to 2024-09-30$7.3m. XBRL concept us-gaap:ProfitLoss. 10-Q filed 2026-05-14, accession 0002080126-26-000018.Report this figure | 4.6Net income, period not labelled, three months to 2024-12-31$4.6m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-03-16, accession 0002080126-26-000011.Report this figure | 6.9Net income, period not labelled, three months to 2025-03-31$6.9m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-05-14, accession 0002080126-26-000018.Report this figure | (2.6)dNet income, period not labelled, three months to 2025-06-30−$2.6m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-09-15, accession 0002080126-26-000035. Derived: 12-month figure less the 9-month figure.Report this figure | 15.6Net income, period not labelled, three months to 2025-09-30$15.6m. XBRL concept us-gaap:ProfitLoss. 10-Q filed 2026-05-14, accession 0002080126-26-000018.Report this figure | 0.2Net income, Q2 FY2026, three months to 2025-12-31$246.0k. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-03-16, accession 0002080126-26-000011.Report this figure | 18.3Net income, Q3 FY2026, three months to 2026-03-31$18.3m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-05-14, accession 0002080126-26-000018.Report this figure | 53.3dNet income, Q4 FY2026, three months to 2026-06-30$53.3m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-09-15, accession 0002080126-26-000035. Derived: 12-month figure less the 9-month figure.Report this figure |
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