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Business Segment Data (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
May 02, 2015
May 03, 2014
Segment Reporting Information [Line Items]    
Net sales $ 1,280,455us-gaap_SalesRevenueGoodsNet $ 1,281,271us-gaap_SalesRevenueGoodsNet
Furniture [Member]    
Segment Reporting Information [Line Items]    
Net sales 338,870us-gaap_SalesRevenueGoodsNet
/ big_MerchandiseCategoriesAxis
= big_FurnitureMember
308,097us-gaap_SalesRevenueGoodsNet
/ big_MerchandiseCategoriesAxis
= big_FurnitureMember
Consumables [Member]    
Segment Reporting Information [Line Items]    
Net sales 221,774us-gaap_SalesRevenueGoodsNet
/ big_MerchandiseCategoriesAxis
= big_ConsumablesMember
224,495us-gaap_SalesRevenueGoodsNet
/ big_MerchandiseCategoriesAxis
= big_ConsumablesMember
Food [Member]    
Segment Reporting Information [Line Items]    
Net sales 203,273us-gaap_SalesRevenueGoodsNet
/ big_MerchandiseCategoriesAxis
= big_FoodMember
199,675us-gaap_SalesRevenueGoodsNet
/ big_MerchandiseCategoriesAxis
= big_FoodMember
Seasonal [Member]    
Segment Reporting Information [Line Items]    
Net sales 190,217us-gaap_SalesRevenueGoodsNet
/ big_MerchandiseCategoriesAxis
= big_SeasonalMember
202,920us-gaap_SalesRevenueGoodsNet
/ big_MerchandiseCategoriesAxis
= big_SeasonalMember
Soft Home [Member]    
Segment Reporting Information [Line Items]    
Net sales 147,420us-gaap_SalesRevenueGoodsNet
/ big_MerchandiseCategoriesAxis
= big_SoftHomeMember
141,019us-gaap_SalesRevenueGoodsNet
/ big_MerchandiseCategoriesAxis
= big_SoftHomeMember
Hard Home [Member]    
Segment Reporting Information [Line Items]    
Net sales 103,626us-gaap_SalesRevenueGoodsNet
/ big_MerchandiseCategoriesAxis
= big_HardHomeMember
116,513us-gaap_SalesRevenueGoodsNet
/ big_MerchandiseCategoriesAxis
= big_HardHomeMember
Electronics & Accessories [Member]    
Segment Reporting Information [Line Items]    
Net sales $ 75,275us-gaap_SalesRevenueGoodsNet
/ big_MerchandiseCategoriesAxis
= big_ElectronicsAccessoriesMember
$ 88,552us-gaap_SalesRevenueGoodsNet
/ big_MerchandiseCategoriesAxis
= big_ElectronicsAccessoriesMember