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Acquisitions (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Business Acquisition [Line Items]
Net income	$ 29,660	$ 9,106	$ 59,672
Goodwill	648,849	331,176	$ 319,679
Deferred Tax Assets, Net	$ (39,332)	$ 2,480
Earnings Per Share, Basic	$ 1.06	$ 0.38	$ 2.53
Earnings Per Share, Diluted	$ 1.04	$ 0.38	$ 2.50
Accrued liabilities	$ 118,187	$ 110,816
Acquisition Costs, Period Cost	$ 8,908

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