CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 25, 2015	Sep. 26, 2014	Sep. 25, 2015	Sep. 26, 2014
Income Statement [Abstract]
Net sales	$ 6,316,762	$ 6,528,517	$ 11,883,010	$ 13,171,262
Cost of sales	5,919,846	6,151,436	11,133,753	12,413,396
Gross profit	396,916	377,081	749,257	757,866
Selling, general and administrative expenses	216,796	204,590	426,181	413,867
Intangible amortization	16,127	8,232	23,798	15,183
Interest and other, net	22,035	12,506	38,540	31,143
Other charges (income), net	1,678	(2,584)	1,842	(46,593)
Income before income taxes	140,280	154,337	258,896	344,266
Provision for income taxes	17,303	15,434	25,069	31,476
Net income	$ 122,977	$ 138,903	$ 233,827	$ 312,790
Earnings per share
Basic (in dollars per share)	$ 0.22	$ 0.24	$ 0.41	$ 0.53
Diluted (in dollars per share)	$ 0.22	$ 0.23	$ 0.41	$ 0.52
Weighted-average shares used in computing per share amounts:
Basic (in shares)	563,333	585,760	564,417	586,497
Diluted (in shares)	569,655	595,871	573,288	598,586