Summary Financial Information (Statement of Financial Position) (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Stated interest rate percentage	2.50%	3.00%
Current assets:
Cash and cash equivalents	$ 202,127	$ 114,450
Trade accounts receivable, less allowance for doubtful accounts	105,464	123,743
Inventories	111,488	127,373
Prepaid expenses and other	22,763	17,180
Total current assets	441,842	382,746
Net property, plant, and equipment	74,753	79,473
Goodwill	331,176	319,679	$ 322,816
Other intangibles, net	213,362	217,962
Marketable securities	7,968	7,322
Deferred taxes on income	20,080	26,281
Other assets	61,251	59,809
Total assets	1,150,432	1,093,272	1,061,571
Trade accounts payable	68,593	57,289
Accrued liabilities	110,816	93,585
Current portion of long-term debt	4,450	4,450
Total current liabilities	183,859	155,324
Other non-current liabilities	191,920	227,507
Total liabilities	620,283	629,687
Total shareholders’ equity	530,149	463,585	$ 431,159	$ 408,229
Total liabilities and shareholders’ equity	$ 1,150,432	$ 1,093,272