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Derivative Instruments (Narratives) (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
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% |  |

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 9 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226006-175313 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=125515794&loc=d3e41678-113959 + Details
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- Definition 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). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19279-110258 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3213-108585 + Details
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