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Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Jan. 01, 2016	Oct. 02, 2015	Jul. 03, 2015	Apr. 03, 2015	Jan. 02, 2015	Oct. 03, 2014	Jul. 04, 2014	Apr. 04, 2014	Jan. 01, 2016	Jan. 02, 2015	Jan. 03, 2014
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Net income to common stockholders									$ 7,186	$ 54,812	$ 2,855
Denominator for basic earnings per share—weighted average common shares									131,793	129,149	127,151
Effect of stock options and awards									1,480	3,508	847
Denominator for diluted earnings per share—adjusted weighted average common shares									133,273	132,657	127,998
Basic	$ 0.16	$ 0.13	$ 0.29	$ (0.53)	$ 0.13	$ 0.11	$ 0.11	$ 0.08	$ 0.05	$ 0.42	$ 0.02
Diluted	$ 0.16	$ 0.13	$ 0.28	$ (0.53)	$ 0.13	$ 0.10	$ 0.10	$ 0.08	$ 0.05	$ 0.41	$ 0.02
Awards [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares not included in the above calculations										242	1,181
Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares not included in the above calculations									1,194	1,128	6,774