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Commitments and Contingencies (Details 2) (Litigation, USD $)
In Millions, unless otherwise specified
9 Months Ended
Oct. 27, 2012
Litigation
 
Litigation  
Damages sought by plaintiff as compensation $ 26
Accounting profits sought by plaintiff as compensation 99
Monetary damages awarded by court 2.3
Monetary damages awarded by court for certain of the Company's licensees $ 2.3