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Comparison of Sales of Each Product Category by Segment (Detail) (Net Sales, Geographic Concentration Risk)
 12 Months Ended
Jan. 31, 2015
Feb. 01, 2014
Feb. 02, 2013
Segment Reporting Information [Line Items]      
Concentration of risk 100.00%us-gaap_ConcentrationRiskPercentage1 100.00%us-gaap_ConcentrationRiskPercentage1 100.00%us-gaap_ConcentrationRiskPercentage1
Jewelry
      
Segment Reporting Information [Line Items]      
Concentration of risk 47.50%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= ck0000034115_JewelryMember		 49.40%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= ck0000034115_JewelryMember		 47.90%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= ck0000034115_JewelryMember
Jewelry | North America
      
Segment Reporting Information [Line Items]      
Concentration of risk 31.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= ck0000034115_JewelryMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_NorthAmericaMember		 32.40%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= ck0000034115_JewelryMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_NorthAmericaMember		 32.70%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= ck0000034115_JewelryMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_NorthAmericaMember
Jewelry | Europe
      
Segment Reporting Information [Line Items]      
Concentration of risk 16.50%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= ck0000034115_JewelryMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_EuropeMember		 17.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= ck0000034115_JewelryMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_EuropeMember		 15.20%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= ck0000034115_JewelryMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_EuropeMember
Accessories
      
Segment Reporting Information [Line Items]      
Concentration of risk 52.50%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= ck0000034115_AccessoriesMember		 50.60%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= ck0000034115_AccessoriesMember		 52.10%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= ck0000034115_AccessoriesMember
Accessories | North America
      
Segment Reporting Information [Line Items]      
Concentration of risk 27.90%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= ck0000034115_AccessoriesMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_NorthAmericaMember		 27.70%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= ck0000034115_AccessoriesMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_NorthAmericaMember		 29.50%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= ck0000034115_AccessoriesMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_NorthAmericaMember
Accessories | Europe
      
Segment Reporting Information [Line Items]      
Concentration of risk 24.60%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= ck0000034115_AccessoriesMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_EuropeMember		 22.90%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= ck0000034115_AccessoriesMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_EuropeMember		 22.60%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= ck0000034115_AccessoriesMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_EuropeMember