Income (Loss) Per Share (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Jan. 01, 2017	Oct. 02, 2016	Jul. 03, 2016	Apr. 03, 2016	Jan. 03, 2016	Sep. 27, 2015	Jun. 28, 2015	Mar. 29, 2015	Jan. 01, 2017	Jan. 03, 2016	Dec. 28, 2014
Earnings Per Share [Abstract]
Income from continuing operations					$ 88,681	$ 8,323	$ 24,825	$ 18,150	$ 129,624	$ 139,979	$ 116,424
Net income (loss) from discontinued operations									0	21,163	5,010
Net income	$ 28,891	$ 48,890	$ 26,480	$ 25,363	$ 85,856	$ 7,584	$ 40,195	$ 27,507	$ 129,624	$ 161,142	$ 121,434
Common Stock:
Weighted average basic shares outstanding									262,209	323,018	370,160
Dilutive effect of stock options and restricted shares									4,503	5,707	6,022
Weighted average diluted shares outstanding									266,712	328,725	376,182
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount									1,558	2,323	4,946