Net Property and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Dec. 29, 2013	Dec. 30, 2012	Dec. 25, 2011
Property, Plant and Equipment
Total property and equipment	$ 526,786	$ 487,964
Accumulated depreciation and amortization	(314,689)	(291,303)	(263,805)
Net property and equipment	212,097	196,661	181,910
Land
Property, Plant and Equipment
Total property and equipment	33,000	32,776
Buildings and improvements
Property, Plant and Equipment
Total property and equipment	86,763	86,219
Leasehold improvements
Property, Plant and Equipment
Total property and equipment	106,487	96,652
Equipment and other
Property, Plant and Equipment
Total property and equipment	280,381	249,055
Construction in progress
Property, Plant and Equipment
Total property and equipment	$ 20,155	$ 23,262