Net Periodic Benefit Cost (Narratives) (Details) - USD ($) shares in Thousands	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Mar. 31, 2023
Defined Benefit Plan Disclosure [Line Items]
Effect of dilutive employee stock options and other share-based awards	155	0
Average basic shares outstanding	28,544	26,762
Share-based Payment Arrangement, Option [Member]
Defined Benefit Plan Disclosure [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	378	1,199
Pension Plans, Defined Benefiit
Defined Benefit Plan Disclosure [Line Items]
Service costs	$ 180,000	$ 254,000
Interest cost	2,870,000	2,576,000
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(2,713,000)	(3,261,000)
Net amortization	208,000	370,000
Net periodic pension (benefit) cost	$ 545,000	$ (61,000)
Forecast [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year			$ 4,889,000