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Net Periodic Benefit Cost (Narratives) (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Dec. 31, 2021	Dec. 31, 2020	Mar. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	$ 0		$ 2,722	$ 0	$ 18,933
Effect of dilutive employee stock options and other share-based awards	371,000	273,000		368,000	0
Average basic shares outstanding	28,469,000	23,928,000		27,887,000	23,871,000
Share-based Payment Arrangement, Option [Member]
Defined Benefit Plan Disclosure [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount				156,000
Pension Plans, Defined Benefiit
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement		$ (113)
Forecast [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year						$ 5,101