CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Net sales	$ 24,209,870	$ 26,210,511	$ 25,441,131
Cost of sales	22,681,490	24,593,731	23,778,404
Restructuring charges	190,424	99,005	66,845
Gross profit	1,337,956	1,517,775	1,595,882
Selling, general and administrative expenses	834,105	953,077	1,019,399
Intangible amortization	64,106	74,396	78,640
Restructuring charges	25,983	14,308	23,846
Interest and other, net	163,727	183,454	122,823
Other charges (income), net	91,550	110,414	(169,719)
Income before income taxes	158,485	182,126	520,893
Provision for income taxes	70,906	88,727	92,359
Net income	$ 87,579	$ 93,399	$ 428,534
Earnings per share:
Basic (in dollars per share)	$ 0.17	$ 0.18	$ 0.81
Diluted (in dollars per share)	$ 0.17	$ 0.18	$ 0.80
Weighted-average shares used in computing per share amounts:
Basic (in shares)	508,774	526,519	529,782
Diluted (in shares)	512,437	530,070	536,598