Impairment Of Long-Lived Assets And Other Lease Charges (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Jun. 29, 2014	Jun. 30, 2013
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment Charges	$ 0.4	$ 0.6	$ 0.6	$ 1.2
Asset Impairment Charges, Number of Restaurants	3		3
Other Lease Charges			0.4
Previously Impaired [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment Charges	0.1		0.3
Initial Impairments [Member] [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment Charges	$ 0.3		$ 0.3