Long-Term Debt (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Debt Instrument [Line Items]
Proceeds from termination of interest rate swap agreements	$ 11,786	$ 0	$ 0
Interest Rate Swap [Member]
Debt Instrument [Line Items]
Proceeds from termination of interest rate swap agreements	$ 11,800
Five-year term [Member]
Debt Instrument [Line Items]
Number of Years of Bank Credit Agreement	5 years
Term loan	$ 275,000
Debt Instrument, Interest Rate, Effective Percentage	5.50%
Debt, Weighted Average Interest Rate	6.11%
Seven-year term [Member]
Debt Instrument [Line Items]
Number of Years of Bank Credit Agreement	7 years
Term loan	$ 345,000
Debt Instrument, Interest Rate, Effective Percentage	5.65%
Debt, Weighted Average Interest Rate	6.31%