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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 29, 2016
Oct. 31, 2015
Oct. 29, 2016
Oct. 31, 2015
Income Tax Disclosure [Abstract]        
Effective tax rate 22.90% (55.70%) 34.00%  
Income tax provision (benefit) $ 7,000 $ (14,600) $ 40,100 $ (23,100)