Basis of Presentation and General Information (Reconciliation of Basic and Diluted Weighted Average Shares) (Details) - shares	12 Months Ended
	Dec. 29, 2017	Dec. 30, 2016	Jan. 01, 2016
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Basic weighted average common shares outstanding	28,852,251	29,082,253	29,620,361
Unvested restricted stock units and common stock subject to vesting requirements issued to employees	1,002,380	1,413,893	1,617,820
Common stock issuable upon the exercise of stock options and SARs	2,341,501	2,319,245	729,447
Dilutive weighted average common shares outstanding	32,196,132	32,815,391	31,967,628