CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 29, 2018	Jun. 30, 2017
Income Statement [Abstract]
Net sales	$ 6,423,956	$ 6,008,272
Cost of sales	6,046,102	5,601,340
Gross profit	377,854	406,932
Selling, general and administrative expenses	262,882	250,811
Intangible amortization	18,517	19,901
Interest and other, net	41,742	26,876
Other income, net	(86,924)	(36,165)
Income before income taxes	141,637	145,509
Provision for income taxes	25,602	20,799
Net income	$ 116,035	$ 124,710
Earnings per share:
Basic (in dollars per share)	$ 0.22	$ 0.24
Diluted (in dollars per share)	$ 0.22	$ 0.23
Weighted-average shares used in computing per share amounts:
Basic (in shares)	529,380	530,268
Diluted (in shares)	535,454	538,633