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Earnings Per Share (Computation of basic and diluted earnings per share) (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended			6 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Jun. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Numerator for basic and diluted earnings per share:
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 14,114	$ 15,203	$ (7,263)	$ 22,505	$ 7,940
Denominators:
Average basic shares outstanding	28,619	28,418		28,581	27,594
Effect of dilutive employee stock options and other share-based awards	129	338		152	363
Average diluted shares outstanding	28,748	28,756		28,733	27,957

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