Net Income Per Share (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	630,019	772,594	247,698	295,252
Weighted Average Number of Shares Outstanding, Basic	24,617,000	24,142,000	24,551,000	24,141,000
Earnings Per Share, Basic	$ 0.85	$ 0.76	$ 0.44	$ 0.30
Weighted Average Number Diluted Shares Outstanding Adjustment	67,000	172,000	154,000	277,000
Dilutive Securities, Effect on Basic Earnings Per Share, Including Options and Restrictive Stock Units	$ 0.00	$ (0.01)	$ (0.01)	$ 0.00
Weighted Average Number of Shares Outstanding, Diluted	24,684,000	24,314,000	24,705,000	24,418,000
Earnings Per Share, Diluted	$ 0.85	$ 0.75	$ 0.43	$ 0.30