Commitments and Contingencies (Details) (EEOC, USD $)
In Millions, unless otherwise specified
1 Months Ended 6 Months Ended
Aug. 31, 2011
Former male employee
Aug. 31, 2011
Class of unidentified males
Jul. 28, 2012
Class of unidentified males
Maximum
Commitments and Contingencies      
Amount of recovery or settlement sought in regulatory matter $ 0.2 $ 3.8 $ 2.5
Amount of settlement proposed by the Company     $ 1.6