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Basis of Presentation (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 31, 2015
Nov. 01, 2014
Oct. 31, 2015
Nov. 01, 2014
Disclosure Text Block [Abstract]        
Other Income $ 1.8 $ 1.4 $ 6.0 $ 4.0
Proceeds from Legal Settlements     $ 1.4