Debt (Details)		6 Months Ended	12 Months Ended
	Sep. 23, 2025 USD ($)	Sep. 30, 2025 USD ($) lease	Mar. 31, 2024 USD ($)	Mar. 31, 2022 USD ($)	Aug. 11, 2025 USD ($)	Aug. 10, 2025 USD ($)	Mar. 31, 2025 USD ($)	May 14, 2021 USD ($)
Short-Term Debt [Line Items]
Current maturities of long-term debt		$ 50,000,000
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]		Term loan, AR securitization facility and finance lease obligations					Term loan, AR securitization facility and finance lease obligations
Accounts receivable balance		$ 179,267,000					$ 165,481,000
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]		Current portion of long-term debt and finance lease obligations					Current portion of long-term debt and finance lease obligations
Outstanding balance on finance lease obligation		$ 12,111,000					$ 12,267,000
Current portion of long-term debt and finance lease obligations		810,000					739,000
Unsecured Lines of Credit
Short-Term Debt [Line Items]
Line of credit facility, maximum borrowing capacity		3,168,000
Outstanding borrowings		$ 0
UNITED STATES
Short-Term Debt [Line Items]
Finance lease term		5 years
Hartland, WI
Short-Term Debt [Line Items]
Number of finance leases manufacturing facility | lease		2
Finance lease term		23 years
Bank Guarantees | Unsecured Lines of Credit
Short-Term Debt [Line Items]
Line of credit facility, maximum borrowing capacity		$ 21,471,000
Outstanding borrowings		19,398,000
Revolving Credit Facility | Line of Credit
Short-Term Debt [Line Items]
Line of credit facility, maximum borrowing capacity			$ 175,000,000					$ 100,000,000
Threshold percentage of revolving commitments	30.00%
Deferred financing costs included in other assets	$ 1,080,000	1,080,000					4,828,000
Deferred financing costs related to maturity extension		500,000
Deferred financing costs related to unamortized fees from prior credit facility		580,000
Outstanding borrowings		0
Outstanding letters of credit		16,344,000
Accumulated amortization of debt issuance costs, line of credit arrangements		10,000					3,733,000
Secured Debt | Term Loan | Line of Credit
Short-Term Debt [Line Items]
Line of credit facility, maximum borrowing capacity								$ 450,000,000
Secured Debt | Term Loan B | Line of Credit
Short-Term Debt [Line Items]
Proceeds from lines of credit			$ 75,000,000	$ 75,000,000
Outstanding borrowings		427,560,000					437,560,000
Repayments of long-term debt		10,000,000
Periodic payment required		2,488,000
Current maturities of long-term debt		4,976,000
Deferred financing costs gross		7,845,000					7,845,000
Accumulated amortization of deferred financing costs		4,816,000					4,201,000
Secured Debt | AR Securitization Facility
Short-Term Debt [Line Items]
Line of credit facility, maximum borrowing capacity					$ 60,000,000	$ 55,000,000
Deferred financing costs related to maturity extension					139,000
Deferred financing costs related to unamortized fees from prior credit facility					134,000
Deferred financing costs gross		273,000			$ 273,000		536,000
Accumulated amortization of deferred financing costs		8,000					327,000
Long-term debt		22,900,000					$ 25,000,000
Secured Debt | AR Securitization Facility | UNITED STATES
Short-Term Debt [Line Items]
Accounts receivable balance		$ 92,490,000