Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016
Statement Of Income And Comprehensive Income [Abstract]
NET SALES	$ 6,158,654	$ 5,806,758	$ 11,947,079	$ 11,399,907
COST OF GOODS SOLD	5,104,605	4,772,721	9,901,722	9,406,102
Gross profit	1,054,049	1,034,037	2,045,357	1,993,805
OPERATING EXPENSES:
Distribution, selling and administrative costs	927,771	922,240	1,840,682	1,786,554
Restructuring charges	704	13,360	2,577	24,137
Total operating expenses	928,475	935,600	1,843,259	1,810,691
OPERATING INCOME	125,574	98,437	202,098	183,114
INTEREST EXPENSE — Net	41,003	70,245	82,889	140,804
LOSS ON EXTINGUISHMENT OF DEBT		42,149		42,149
Income (loss) before income taxes	84,571	(13,957)	119,209	161
INCOME TAX PROVISION (BENEFIT)	19,113	(565)	26,935	242
NET INCOME (LOSS)	65,458	(13,392)	92,274	(81)
OTHER COMPREHENSIVE INCOME (LOSS) — Net of tax:
Changes in retirement benefit obligations, net of income tax	1,880	(18,876)	2,537	(16,243)
COMPREHENSIVE INCOME (LOSS)	$ 67,338	$ (32,269)	$ 94,811	$ (16,324)
NET INCOME (LOSS) PER SHARE
Basic	$ 0.29	$ (0.07)	$ 0.42
Diluted	$ 0.29	$ (0.07)	$ 0.41
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING
Basic	222,754,030	190,077,211	222,059,022	179,599,467
Diluted	226,791,449	190,077,211	226,557,430	179,599,467
DISTRIBUTION DECLARED AND PAID
Distribution declared and paid per share (Note 12)				$ 3.94