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Stock-Based Compensation - Summary of Stock-based Compensation Expense (Detail) - USD ($) $ in Thousands | 3 Months Ended
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Jun. 30, 2026 | Jun. 30, 2025
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |
Additional stock-based compensation expense | $ 13,274 | $ 8,404
Non-Employee Directors |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |
Additional stock-based compensation expense | 423 | 447
Stock Options |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |
Additional stock-based compensation expense | 1,861 | 1,790
Assumed performance-based restricted stock units |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |
Additional stock-based compensation expense | 3,374 | 3,095
Performance-based Restricted Stock Units |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |
Additional stock-based compensation expense | 6,787 | 2,424
Employee Stock Purchase Plan |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |
Additional stock-based compensation expense | 829 | 648
Income Statement Location: us-gaap:SellingAndMarketingExpense |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |
Additional stock-based compensation expense | 11,133 | 6,748
Income Statement Location: wms:CostOfGoodsSoldExcludingEmployeeStockOptionPlanSpecialDividendCompensation |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |
Additional stock-based compensation expense | $ 2,141 | $ 1,656

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