Quarterly Financial Information (Unaudited) - Quarterly Financial Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Oct. 01, 2016	Jul. 02, 2016	Apr. 02, 2016	Jan. 02, 2016	Sep. 26, 2015	Jun. 27, 2015	Mar. 28, 2015	Dec. 31, 2016	Jan. 02, 2016	Dec. 27, 2014
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 5,677,938	$ 5,840,963	$ 5,806,758	$ 5,593,149	$ 5,935,281	$ 5,796,066	$ 5,842,547	$ 5,553,638	$ 22,918,808	$ 23,127,532	$ 23,019,801
Cost of goods sold	4,651,008	4,808,426	4,772,721	4,633,381	4,856,886	4,782,971	4,849,862	4,624,574	18,865,536	19,114,293	19,222,092
Gross profit	1,026,930	1,032,537	1,034,037	959,768	1,078,395	1,013,095	992,685	929,064	4,053,272	4,013,239	3,797,709
Operating expenses	911,314	917,446	935,600	875,091	1,026,112	939,844	970,726	886,729	3,639,451	3,823,411	3,545,453
Acquisition termination fees-net							287,500			287,500
Interest expense—net	39,320	48,956	70,245	70,559	74,354	69,927	69,981	70,913	229,080	285,175	289,202
Loss on extinguishment of debt		11,483	42,149						53,632
Income (loss) before income taxes	76,296	54,652	(13,957)	14,118	(22,071)	3,324	239,478	(28,578)	131,109	192,153	(36,946)
Income tax provision (benefit)	(568)	(78,359)	(565)	807	(12,126)	(2,063)	74,517	(35,693)	(78,685)	24,635	35,968
Net income (loss)	$ 76,864	$ 133,011	$ (13,392)	$ 13,311	$ (9,945)	$ 5,387	$ 164,961	$ 7,115	$ 209,794	$ 167,518	$ (72,914)
Net income (loss) per share:
Basic	$ 0.35	$ 0.60	$ (0.07)	$ 0.08	$ (0.06)	$ 0.03	$ 0.97	$ 0.04	$ 1.05	$ 0.99	$ (0.43)
Diluted	$ 0.34	$ 0.59	$ (0.07)	$ 0.08	$ (0.06)	$ 0.03	$ 0.97	$ 0.04	$ 1.03	$ 0.98	$ (0.43)