Share-Based Compensation (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
Tax benefit from share-based compensation [Line Items]
Share-based Compensation	$ 900,000	$ 900,000	$ 1,803,000	$ 1,659,000
Excess Tax Benefit from Share-based Compensation, Operating Activities	(100,000)	(200,000)	(225,000)	(841,000)
Manager Share Appreciation Plan, Liabilities	100,000		100,000
Maximum [Member]
Tax benefit from share-based compensation [Line Items]
Manager Share Appreciation Plan Compensation				100,000
Manager Share Appreciation Plan, Liabilities		$ 100,000		$ 100,000