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Carrying Values and Fair Values of Financial Instruments Not Carried at Fair Value (Details) (Level 2, USD $)
In Thousands, unless otherwise specified
May 02, 2014
Carrying Amount
 
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Long-term Debt $ 515,000
Fair Value
 
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Long-term debt, including short-term portion $ 515,000