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Long-Term And Short-Term Financing Arrangements (Schedule Of Redemption Price Percentage) (Details)
 12 Months Ended
Jan. 31, 2015
2015 [Member]  
Long-Term And Short-Term Financing Arrangements [Line Items]  
Redemption price percentage 103.563%bws_RedemptionPricePercentage
/ us-gaap_LineOfCreditFacilityAxis
= bws_TwoThousandFifteenMember
2016 [Member]  
Long-Term And Short-Term Financing Arrangements [Line Items]  
Redemption price percentage 102.00%bws_RedemptionPricePercentage
/ us-gaap_LineOfCreditFacilityAxis
= bws_TwoThousandSixteenMember
2017 And Thereafter [Member]  
Long-Term And Short-Term Financing Arrangements [Line Items]  
Redemption price percentage 100.00%bws_RedemptionPricePercentage
/ us-gaap_LineOfCreditFacilityAxis
= bws_TwoThousandSeventeenAndThereafterMember