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Property and Equipment (Detail) (USD $)
In Thousands, unless otherwise specified
Jan. 31, 2015
Jan. 31, 2014
Property, Plant and Equipment [Line Items]    
Land $ 15,197us-gaap_Land $ 15,042us-gaap_Land
Buildings 239,115us-gaap_BuildingsAndImprovementsGross 185,605us-gaap_BuildingsAndImprovementsGross
Furniture and fixtures 410,265us-gaap_FurnitureAndFixturesGross 375,429us-gaap_FurnitureAndFixturesGross
Leasehold improvements 794,995us-gaap_LeaseholdImprovementsGross 809,789us-gaap_LeaseholdImprovementsGross
Other operating equipment 180,397us-gaap_PropertyPlantAndEquipmentOther 161,933us-gaap_PropertyPlantAndEquipmentOther
Construction-in-progress 182,595us-gaap_ConstructionInProgressGross 93,240us-gaap_ConstructionInProgressGross
Property, Plant and Equipment, Gross, Total 1,822,564us-gaap_PropertyPlantAndEquipmentGross 1,641,038us-gaap_PropertyPlantAndEquipmentGross
Accumulated depreciation (933,332)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment (834,129)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Total $ 889,232us-gaap_PropertyPlantAndEquipmentNet $ 806,909us-gaap_PropertyPlantAndEquipmentNet