Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Income Statement [Abstract]
Net sales	$ 1,409,557	$ 1,522,596	$ 1,591,038	$ 1,522,033	$ 1,208,921	$ 1,400,728	$ 1,342,052	$ 1,059,370	$ 5,731,549	$ 5,324,746	$ 4,627,802
Cost of sales									3,595,217	3,420,339	3,016,109
Gross profit	541,126	545,561	580,750	568,225	446,231	497,715	504,354	356,777	2,136,332	1,904,407	1,611,693
Selling, general and administrative expenses									1,541,214	1,340,453	1,096,507
Operating profit									595,118	563,954	515,186
Other expenses									3,210	2,599	17,501
Interest expense, net									118,035	96,387	101,884
Income before income tax expense									473,873	464,968	395,801
Income tax expense									45,018	60,449	65,307
Net income	$ 119,163	$ 89,437	$ 162,154	$ 94,902	$ 52,636	$ 118,944	$ 154,578	$ 41,560	$ 428,855	$ 404,519	$ 330,494
Earnings per share:
Basic	$ 0.30	$ 0.22	$ 0.41	$ 0.23	$ 0.13	$ 0.30	$ 0.38	$ 0.10	$ 1.07	$ 1.01	$ 0.83
Earnings per share — diluted:
Diluted	$ 0.30	$ 0.22	$ 0.40	$ 0.23	$ 0.13	$ 0.29	$ 0.38	$ 0.10	$ 1.06	$ 0.99	$ 0.81