Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities
Net earnings	$ 363,735	$ 269,096	$ 175,810
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	100,876	92,021	91,153
Write-off of assets relating to restructuring and other exit charges	1,973	24,229	8,920
Impairment of goodwill	880	0	0
Loss on assets held for sale	4,634	13,619	480
Derivatives not designated in hedging relationships:
Net losses (gains)	(3,136)	846	(1,182)
Cash proceeds (settlements)	826	(255)	470
Provision for doubtful accounts	3,239	1,873	(431)
Deferred income taxes	(31,925)	(29,344)	(15,236)
Non-cash interest expense	1,927	2,450	1,964
Stock-based compensation	27,825	30,607	26,371
Gain on disposal of property, plant, and equipment	791	908	(113)
Gain on pension settlement	(1,548)	0	0
Changes in assets and liabilities, net of effects of acquisitions:
Accounts receivable	(81,795)	108,631	67,553
Inventories	1,343	75,633	(96,413)
Prepaid and other current assets	(220,003)	(112,701)	23,689
Other assets	(334)	6,027	(6,298)
Accounts payable	36,569	(15,131)	(4,236)
Accrued expenses	54,388	(8,254)	5,747
Other liabilities	32	(3,226)	1,690
Net cash provided by (used in) operating activities	260,298	457,029	279,938
Cash flows from investing activities
Capital expenditures	(121,038)	(86,437)	(88,772)
Purchase of businesses	(206,374)	(8,270)	0
Proceeds from disposal of property, plant, and equipment	1,870	2,228	586
Investment in Equity Securities	(10,852)	0	0
Proceeds from termination of net investment hedges	0	0	43,384
Net cash used in investing activities	(336,394)	(92,479)	(44,802)
Cash flows from financing activities
Net borrowings (repayments) on short-term debt	(259)	(231)	(21,719)
Proceeds from Second Amended Revolver borrowings	650,000	182,500	310,500
Repayments of Second Amended Revolver borrowings	(370,000)	(427,500)	(500,500)
Proceeds from Amended 2017 Term Loan	0	0	300,000
Proceeds from 2032 Bonds	0	300,000	0
Repayments of 2023 Senior Notes	0	0	(300,000)
Repayments of Second and Third Amended Term Loan	0	293,889	5,215
Debt issuance costs	0	(4,061)	(1,121)
Finance lease obligations and other	483	1,169	1,110
Option proceeds, net	9,458	10,786	4,392
Payment of taxes related to net share settlement of equity awards	(7,985)	(9,166)	(6,453)
Purchase of treasury stock	(153,961)	(95,688)	(22,907)
Dividends paid to stockholders	(37,466)	(34,480)	(28,537)
Net cash (used in) provided by financing activities	90,270	(370,560)	(270,450)
Effect of exchange rate changes on cash and cash equivalents	(4,367)	(7,331)	(20,509)
Net (decrease) increase in cash and cash equivalents	9,807	(13,341)	(55,823)
Cash and cash equivalents at beginning of year	333,324	346,665	402,488
Cash and cash equivalents at end of year	$ 343,131	$ 333,324	$ 346,665