Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Dec. 27, 2014
Statement Of Income And Comprehensive Income [Abstract]
NET SALES	$ 22,918,808	$ 23,127,532	$ 23,019,801
COST OF GOODS SOLD	18,865,536	19,114,293	19,222,092
Gross profit	4,053,272	4,013,239	3,797,709
OPERATING EXPENSES:
Distribution, selling and administrative costs	3,585,986	3,650,704	3,545,453
Restructuring and tangible asset impairment charges	53,465	172,707
Total operating expenses	3,639,451	3,823,411	3,545,453
OPERATING INCOME	413,821	189,828	252,256
Acquisition termination fees-net		287,500
Interest expense-net	229,080	285,175	289,202
Loss on extinguishment of debt	53,632
Income (loss) before income taxes	131,109	192,153	(36,946)
INCOME TAX (BENEFIT) PROVISION	(78,685)	24,635	35,968
Net income (loss)	209,794	167,518	(72,914)
OTHER COMPREHENSIVE INCOME (LOSS)-Net of tax:
Changes in retirement benefit obligations, net of income tax	(44,985)	83,663	(155,362)
COMPREHENSIVE INCOME (LOSS)	$ 164,809	$ 251,181	$ (228,276)
NET INCOME (LOSS) PER SHARE
Basic	$ 1.05	$ 0.99	$ (0.43)
Diluted	$ 1.03	$ 0.98	$ (0.43)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING
Basic	200,129,868	169,560,616	169,467,651
Diluted	204,024,726	171,060,720	169,467,651