CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
Net sales (Note 2, Note 10, and Note 11)	$ 1,311,320	$ 1,091,907	$ 2,136,667	$ 1,767,698
Cost of sales	578,048	508,888	933,395	838,255
Gross profit	733,272	583,019	1,203,272	929,443
Selling, general, and administrative expenses	428,186	358,402	765,379	634,090
Income from operations (Note 10)	305,086	224,617	437,893	295,353
Interest income	(14,797)	(10,089)	(32,049)	(21,376)
Interest expense	1,151	1,011	2,182	2,016
Other income, net	(180)	(622)	(305)	(968)
Total other income, net	(13,826)	(9,700)	(30,172)	(20,328)
Income before income taxes	318,912	234,317	468,065	315,681
Income tax expense (Note 4)	76,591	55,770	110,119	73,582
Net income	242,321	178,547	357,946	242,099
Other comprehensive income (loss), net of tax
Unrealized (loss) gain on cash flow hedges	(4,322)	3,403	(3,466)	3,755
Foreign currency translation gain (loss)	15,097	(5,520)	10,441	(14,171)
Total other comprehensive income (loss), net of tax	10,775	(2,117)	6,975	(10,416)
Comprehensive income	$ 253,096	$ 176,430	$ 364,921	$ 231,683
Net income per share
Basic (in dollars per share)	$ 1.59	$ 1.14	$ 2.35	$ 1.55
Diluted (in dollars per share)	$ 1.59	$ 1.14	$ 2.34	$ 1.54
Weighted-average common shares outstanding (Note 9)
Basic (in shares)	152,240	156,188	152,552	156,586
Diluted (in shares)	152,778	157,070	153,127	157,503