Stock-Based Compensation (Stock based compensation assumptions) (Details)		12 Months Ended
		Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	[1]	0.00%	0.00%	0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate	[2]	50.10%	61.30%	63.10%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate	[3]	1.90%	2.20%	1.30%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	[4]	6 years 6 months	6 years 6 months	6 years 6 months

[1] Determined based on expected annual dividend yield at the time of grant.

[2] Determined based on historical volatility of the Company ’ s common shares over the expected life of the option.

[3] Determined based on the yield on U.S. Treasury zero-coupon issues with maturity dates equal to the expected life of the option.

[4] Determined using simplified method, as the Company changed the term of its stock option grants from six years to 10 years commencing in 2012 and, as a result, historical exercise data may no longer provide a reasonable basis upon which to estimate expected life.