CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 26, 2015	Jun. 27, 2014
Income Statement [Abstract]
Net sales	$ 5,566,248	$ 6,642,745
Cost of sales	5,213,907	6,261,960
Gross profit	352,341	380,785
Selling, general and administrative expenses	209,385	209,277
Intangible amortization	7,671	6,951
Interest and other, net	16,505	18,637
Other charges (income), net	164	(44,009)
Income before income taxes	118,616	189,929
Provision for income taxes	7,766	16,042
Net income	$ 110,850	$ 173,887
Earnings per share:
Basic (in dollars per share)	$ 0.20	$ 0.30
Diluted (in dollars per share)	$ 0.19	$ 0.29
Weighted-average shares used in computing per share amounts:
Basic (in shares)	565,545	587,233
Diluted (in shares)	577,997	601,300