Fair Value Measurements - Schedule of Financial Assets and Liabilities Measured or Disclosed at Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Mar. 31, 2026
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Marketable securities	$ 10,276	$ 10,223
Annuity contract	1,080	1,092
Terminated pension plan assets	3,279	3,938
2026 Term Loan B
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, fair value	(1,451,049)	(1,455,169)
Senior Secured Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, fair value	(888,750)	(897,750)
AR Securitization Facility
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, fair value	(51,588)	(53,400)
Foreign exchange contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets (Liabilities):	9	7
Interest rate swap
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets (Liabilities):	5,944	(2,028)
Cross currency swap
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets (Liabilities):	(3,214)	(3,932)
Quoted Prices in Active Markets for Indentical Assets (Level 1)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Marketable securities	10,276	10,223
Annuity contract	0	0
Terminated pension plan assets	3,279	3,938
Quoted Prices in Active Markets for Indentical Assets (Level 1) \| 2026 Term Loan B
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, fair value	0	0
Quoted Prices in Active Markets for Indentical Assets (Level 1) \| Senior Secured Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, fair value	0	0
Quoted Prices in Active Markets for Indentical Assets (Level 1) \| AR Securitization Facility
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, fair value	0	0
Quoted Prices in Active Markets for Indentical Assets (Level 1) \| Foreign exchange contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets (Liabilities):	0	0
Quoted Prices in Active Markets for Indentical Assets (Level 1) \| Interest rate swap
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets (Liabilities):	0	0
Quoted Prices in Active Markets for Indentical Assets (Level 1) \| Cross currency swap
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets (Liabilities):	0	0
Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Marketable securities	0	0
Annuity contract	1,080	1,092
Terminated pension plan assets	0	0
Significant Other Observable Inputs (Level 2) \| 2026 Term Loan B
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, fair value	(1,451,049)	(1,455,169)
Significant Other Observable Inputs (Level 2) \| Senior Secured Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, fair value	(888,750)	(897,750)
Significant Other Observable Inputs (Level 2) \| AR Securitization Facility
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, fair value	(51,588)	(53,400)
Significant Other Observable Inputs (Level 2) \| Foreign exchange contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets (Liabilities):	9	7
Significant Other Observable Inputs (Level 2) \| Interest rate swap
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets (Liabilities):	5,944	(2,028)
Significant Other Observable Inputs (Level 2) \| Cross currency swap
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets (Liabilities):	(3,214)	(3,932)
Significant unobservable Inputs (Level 3)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Marketable securities	0	0
Annuity contract	0	0
Terminated pension plan assets	0	0
Significant unobservable Inputs (Level 3) \| 2026 Term Loan B
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, fair value	0	0
Significant unobservable Inputs (Level 3) \| Senior Secured Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, fair value	0	0
Significant unobservable Inputs (Level 3) \| AR Securitization Facility
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, fair value	0	0
Significant unobservable Inputs (Level 3) \| Foreign exchange contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets (Liabilities):	0	0
Significant unobservable Inputs (Level 3) \| Interest rate swap
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets (Liabilities):	0	0
Significant unobservable Inputs (Level 3) \| Cross currency swap
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets (Liabilities):	$ 0	$ 0

Amount of plan asset for defined benefit pension plan with projected benefit obligation in excess of plan assets.

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Fair value portion of liability related to investment contracts for example, but not limited to, guaranteed investment contract or annuities.

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Amount of investment in marketable security, classified as noncurrent.

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