Litigation and Contingencies (Additional Information) (Details) - Licensing agreements [Member] - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 20, 2015	Jun. 14, 2014	Jun. 20, 2015	Jun. 14, 2014
Long-term Purchase Commitment [Line Items]
Royalty expense, licensing agreements	$ 0.4	$ 0.5	$ 0.9	$ 1.1
Advertising expense, licensing agreements	$ 1.0	$ 1.1	$ 1.8	$ 2.2