QUARTERLY SUMMARY OF INFORMATION (UNAUDITED) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 959,758	$ 1,560,307	$ 1,091,907	$ 675,791	$ 791,571	$ 1,345,640	$ 875,614	$ 614,461	$ 4,287,763	$ 3,627,286	$ 3,150,339
Gross profit	539,476	916,569	583,019	346,424	396,168	712,529	421,921	294,752	2,385,488	1,825,370	1,607,551
Income from operations	144,262	487,899	224,617	70,736	105,919	362,660	127,831	56,341	927,514	652,751	564,707
Net income	$ 127,545	$ 389,919	$ 178,547	$ 63,552	$ 91,787	$ 278,662	$ 101,524	$ 44,849	$ 759,563	$ 516,822	$ 451,949
Net income per share
Basic (in dollars per share)	$ 4.98	$ 15.19	$ 6.86	$ 2.43	$ 3.49	$ 10.55	$ 3.83	$ 1.67	$ 29.36	$ 19.50	$ 16.43
Diluted (in dollars per share)	$ 4.95	$ 15.11	$ 6.82	$ 2.41	$ 3.46	$ 10.48	$ 3.80	$ 1.66	$ 29.16	$ 19.37	$ 16.26