CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015	Sep. 25, 2015	Jun. 26, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 26, 2014	Jun. 27, 2014	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
Income Statement [Abstract]
Net sales	$ 5,772,698	$ 6,763,177	$ 6,316,762	$ 5,566,248	$ 5,951,600	$ 7,025,054	$ 6,528,517	$ 6,642,745	$ 24,418,885	$ 26,147,916	$ 26,108,607
Cost of sales									22,810,824	24,602,576	24,609,738
Restructuring charges									0	0	58,648
Gross profit	$ 406,337	$ 452,467	$ 396,916	$ 352,341	$ 378,817	$ 408,657	$ 377,081	$ 380,785	1,608,061	1,545,340	1,440,221
Selling, general and administrative expenses									954,890	844,473	874,796
Intangible amortization									65,965	32,035	28,892
Restructuring charges									0	0	16,663
Other charges (income), net									47,738	(53,233)	57,512
Interest and other, net									84,793	51,410	61,904
Income before income taxes									454,675	670,655	400,454
Provision for income taxes									10,594	69,854	34,860
Net Income									$ 444,081	$ 600,801	$ 365,594
Earnings per share:
Basic (in dollars per share)	$ 0.11	$ 0.27	$ 0.22	$ 0.20	$ 0.24	$ 0.26	$ 0.24	$ 0.30	$ 0.80	$ 1.04	$ 0.60
Diluted (in dollars per share)	$ 0.11	$ 0.27	$ 0.22	$ 0.19	$ 0.23	$ 0.26	$ 0.23	$ 0.29	$ 0.79	$ 1.02	$ 0.59
Weighted-average shares used in computing per share amounts:
Basic (in shares)									557,667	579,981	610,497
Diluted (in shares)									564,869	591,556	623,479