Commitments and Contingencies (Details) (EEOC, USD $)
In Millions, unless otherwise specified
1 Months Ended 9 Months Ended
Aug. 31, 2011
Oct. 27, 2012
Former male employee
   
Commitments and Contingencies    
Amount of recovery or settlement sought in regulatory matter $ 0.2  
Class of unidentified males
   
Commitments and Contingencies    
Amount of recovery or settlement sought in regulatory matter 3.8 2.5
Amount of settlement proposed by the Company   $ 1.0
Class of unidentified males | Minimum
   
Commitments and Contingencies    
Number of charities to which unclaimed funds are proposed to be directed   1