Share-Based Compensation-Plan Info (Details Textuals 2)	12 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Jan. 01, 2012
2013 Incentive Plan [Member]
Stock Plan Summary
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Date	7 years
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	20,000,000
Common Stock, Capital Shares Reserved for Future Issuance	10,000,000
Additional Common Stock Added to Reserve Kept for Incentive Plan	349,675
2005 Incentive Plan [Member]
Stock Plan Summary
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Date	7 years
2005 Employee Stock Purchase Plan [Member]
Stock Plan Summary
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	10,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	4,345,666
Stock Purchase Plan Activity
Stock Issued During Period, Shares, Employee Stock Purchase Plans	623,887	684,646	613,452
Purchase price of common stock under Employee stock purchase plan as a percentage of fair market value of share	85.00%
1995 Incentive Plan [Member]
Stock Plan Summary
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Date	10 years