CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Net sales	$ 1,187,752	$ 1,077,759	$ 2,414,332	$ 1,984,453
Cost of sales	566,531	463,862	1,165,520	909,013
Gross profit	621,221	613,897	1,248,812	1,075,440
Selling, general, and administrative expenses	327,825	285,242	765,403	625,880
Income from operations	293,396	328,655	483,409	449,560
Interest income	(369)	(593)	(1,311)	(1,719)
Interest expense	999	959	2,808	3,354
Other income, net	(191)	(267)	(376)	(523)
Total other expense, net	439	99	1,121	1,112
Income before income taxes	292,957	328,556	482,288	448,448
Income tax expense	60,014	73,020	99,158	99,331
Net income	232,943	255,536	383,130	349,117
Other comprehensive (loss) income
Unrealized (loss) gain on cash flow hedges, net of tax	(1,517)	(279)	974	(726)
Foreign currency translation (loss) gain	(2,744)	7,947	(3,388)	14,995
Total other comprehensive (loss) income	(4,261)	7,668	(2,414)	14,269
Comprehensive income	$ 228,682	$ 263,204	$ 380,716	$ 363,386
Net income per share
Basic (in dollars per share)	$ 8.49	$ 9.09	$ 13.87	$ 12.44
Diluted (in dollars per share)	$ 8.42	$ 8.99	$ 13.73	$ 12.30
Weighted-average common shares outstanding
Basic (in shares)	27,428	28,114	27,630	28,054
Diluted (in shares)	27,663	28,410	27,904	28,375