Quarterly report pursuant to Section 13 or 15(d)

Advertising Costs (Details)

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Advertising Costs (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jul. 08, 2012
Jul. 10, 2011
Jul. 08, 2012
item
Jul. 10, 2011
Advertising Costs        
Advertising and marketing costs $ 8.1 $ 7.9 $ 18.0 $ 16.8
Number of marketing and national media advertising funds to which the entity and franchisees must contribute a minimum percentage of revenue     2