Net Income Per Share (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	772,594	300,949	295,252	300,949
Weighted Average Number of Shares Outstanding, Basic	24,142,000	24,248,000	24,141,000	24,098,000
Earnings Per Share, Basic	$ 0.76	$ 0.92	$ 0.30	$ 0.52
Weighted Average Number Diluted Shares Outstanding Adjustment	172,000	339,000	277,000	378,000
Dilutive Securities, Effect on Basic Earnings Per Share, Including Options and Restrictive Stock Units	$ (0.01)	$ (0.02)	$ 0.00	$ (0.01)
Weighted Average Number of Shares Outstanding, Diluted	24,314,000	24,587,000	24,418,000	24,476,000
Earnings Per Share, Diluted	$ 0.75	$ 0.90	$ 0.30	$ 0.51