Leases (Minimum Lease Payments) (Details) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 25, 2010	Dec. 26, 2009
Capital Leases and Operating Leases [Line Items]
Capital Leases, 2012	$ 18,553,000
Capital Leases, 2013	11,574,000
Capital Leases, 2014	10,851,000
Capital Leases, 2015	8,574,000
Capital Leases, 2016	5,863,000
Capital leases, future minimum payments due, Total	55,415,000
Less amount representing interest (2.3% to 5.9%)	3,073,000
Present value of minimum lease payments	52,342,000
Operating Leases, 2012	2,661,000
Operating Leases, 2013	1,816,000
Operating Leases, 2014	1,275,000
Operating Leases, 2015	804,000
Operating Leases, 2016	617,000
Operating Leases, Thereafter	1,120,000
Operating lease, future minimum payments due, Total	8,293,000
Total rent expense, net of sublease income	$ 1,238,000	$ 356,000	$ 2,664,000
Maximum [Member]
Capital Leases and Operating Leases [Line Items]
Capital leases, future minimum payments, interest included in payments, interest rate	5.90%
Minimum [Member]
Capital Leases and Operating Leases [Line Items]
Capital leases, future minimum payments, interest included in payments, interest rate	2.30%