Fair value, after offset of derivative liability, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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Nominal or face amount used to calculate payment on derivative.

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Amount of gain (loss) recognized in other comprehensive income from derivative asset (liability) after deduction of derivative liability (asset), measured at fair value on recurring basis using unobservable input (level 3).

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The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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Derivative Instruments (Narratives) (Details) - USD ($)	3 Months Ended		6 Months Ended
Derivative Instruments (Narratives) (Details) - USD ($)	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Mar. 31, 2023
Derivatives, Fair Value [Line Items]
Payments to Acquire Property, Plant, and Equipment			$ 10,319,000	$ 5,288,000
Designated as Hedging Instrument \| Cross Currency Interest Rate Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	$ 104,845,000		104,845,000
Derivative Instruments in Hedges, at Fair Value, Net	508,000		508,000
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	2,521,000	$ 5,862,000	2,048,000	11,380,000
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Other Comprehensive Income (Loss)	2,061,000	5,855,000	1,220,000	11,627,000
Designated as Hedging Instrument \| Cross Currency Interest Rate Contract [Member] \| Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative assets, fair value	684,000		684,000		$ (168,000)
Designated as Hedging Instrument \| Foreign exchange contracts
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	5,890,000		5,890,000
Derivative Instruments in Hedges, at Fair Value, Net	59,000		59,000
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	(34,000)	(63,000)	(53,000)	(89,000)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Other Comprehensive Income (Loss)	(22,000)	56,000	(180,000)	(48,000)
Designated as Hedging Instrument \| Foreign exchange contracts \| Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative assets, fair value	63,000		63,000		136,000
Designated as Hedging Instrument \| Interest Rate Swap [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	360,013,000		360,013,000
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	2,615,000	132,000	4,858,000	(682,000)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Other Comprehensive Income (Loss)	2,798,000	$ 4,706,000	6,089,000	$ 6,405,000
Designated as Hedging Instrument \| Interest Rate Swap [Member] \| Other Noncurrent Assets
Derivatives, Fair Value [Line Items]
Derivative assets, fair value	2,828,000		2,828,000		3,218,000
Designated as Hedging Instrument \| Interest Rate Swap [Member] \| Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative assets, fair value	9,461,000		9,461,000		$ 7,644,000
Designated as Hedging Instrument \| Reclassify Next Year [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments in Hedges, at Fair Value, Net	$ 7,035,000		$ 7,035,000
Maximum [Member]
Derivatives, Fair Value [Line Items]
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate	50.00%		50.00%
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate	70.00%		70.00%
Minimum [Member]
Derivatives, Fair Value [Line Items]
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate	30.00%		30.00%
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate	50.00%		50.00%