CONSOLIDATED STATEMENT OF INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2016	Jul. 04, 2015	Jul. 02, 2016	Jul. 04, 2015
Income Statement [Abstract]
Net sales	$ 10,122,606	$ 10,553,278	$ 19,459,207	$ 21,197,704
Cost of sales	9,403,660	9,896,453	18,108,565	19,923,418
Gross profit	718,946	656,825	1,350,642	1,274,286
Operating expenses:
Selling, general and administrative	573,307	515,575	1,123,009	1,015,350
Amortization of intangible assets	25,621	17,089	52,646	33,020
Reorganization costs	7,690	6,236	24,256	10,276
Impairment of internally developed software	0	115,856	0	115,856
Loss on sale of affiliate	14,878	0	14,878	0
Total operating expenses	621,496	654,756	1,214,789	1,174,502
Income from operations	97,450	2,069	135,853	99,784
Other expense (income):
Interest income	(2,117)	(1,201)	(3,258)	(1,659)
Interest expense	18,152	21,212	38,624	43,370
Net foreign currency exchange loss	587	6,738	9,114	14,276
Other	4,116	3,481	7,198	6,943
Total other expense (income)	20,738	30,230	51,678	62,930
Income (loss) before income taxes	76,712	(28,161)	84,175	36,854
Provision for income taxes	22,060	6,132	27,624	27,872
Net income (loss)	$ 54,652	$ (34,293)	$ 56,551	$ 8,982
Basic earnings per share (in dollars per share)	$ 0.37	$ (0.22)	$ 0.38	$ 0.06
Diluted earnings per share (in dollars per share)	$ 0.36	$ (0.22)	$ 0.37	$ 0.06