CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Income Statement [Abstract]
Net sales	$ 1,560,307	$ 1,345,640	$ 3,328,005	$ 2,835,715
Cost of sales	643,738	633,111	1,481,993	1,406,513
Gross profit	916,569	712,529	1,846,012	1,429,202
Selling, general, and administrative expenses	428,670	349,869	1,062,760	882,370
Income from operations (Note 10)	487,899	362,660	783,252	546,832
Interest income	(11,895)	(3,571)	(33,271)	(6,669)
Interest expense	911	1,155	2,927	3,245
Other income, net	(170)	(228)	(1,138)	(968)
Total other income, net	(11,154)	(2,644)	(31,482)	(4,392)
Income before income taxes	499,053	365,304	814,734	551,224
Income tax expense (Note 4)	109,134	86,642	182,716	126,189
Net income	389,919	278,662	632,018	425,035
Other comprehensive income (loss), net of tax
Unrealized (loss) gain on cash flow hedges	(3,645)	(2,083)	110	(237)
Foreign currency translation gain (loss)	10,722	14,169	(3,449)	(15,084)
Total other comprehensive income (loss), net of tax	7,077	12,086	(3,339)	(15,321)
Comprehensive income	$ 396,996	$ 290,748	$ 628,679	$ 409,714
Net income per share
Basic (in dollars per share)	$ 15.19	$ 10.55	$ 24.35	$ 16.00
Diluted (in dollars per share)	$ 15.11	$ 10.48	$ 24.20	$ 15.90
Weighted-average common shares outstanding (Note 9)
Basic (in shares)	25,664	26,418	25,953	26,570
Diluted (in shares)	25,811	26,586	26,114	26,740