Long-Term Debt (Narrative) (Details) $ in Thousands	12 Months Ended
Mar. 31, 2021 USD ($)
Debt Instrument [Line Items]
Term loan	$ 150,000
Derivative, Fair Value, Net	5,400
Repayments of Lines of Credit	150,000
Interest Rate Swap [Member] \| Cash Flow Hedges [Member]
Debt Instrument [Line Items]
Derivative, Fair Value, Net	$ 1,100
Five-year term [Member]
Debt Instrument [Line Items]
Number of Years of Bank Credit Agreement	5 years
Term loan	$ 150,000
Debt Instrument, Interest Rate, Effective Percentage	3.94%
Debt, Weighted Average Interest Rate	3.72%
Seven-year term [Member]
Debt Instrument [Line Items]
Number of Years of Bank Credit Agreement	7 years
Term loan	$ 220,000
Debt Instrument, Interest Rate, Effective Percentage	4.26%
Debt, Weighted Average Interest Rate	4.09%

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average interest rate of debt outstanding.

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Fair value of the assets less the liabilities of a derivative or group of derivatives.

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Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

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Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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