XML 76 R66.htm IDEA: XBRL DOCUMENT v2.4.1.9
Retirement Plans - Weighted Average Assumptions Used to Determine Benefit Obligations (Detail)
Jan. 31, 2015
Feb. 01, 2014
Disclosure - Weighted Average Assumptions Used to Determine Benefit Obligations [Abstract]    
Discount rate 3.50%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate 4.65%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate