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Fair Value Measurements (Details) (USD $)
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3 Months Ended | 9 Months Ended | ||||||||||
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Oct. 27, 2012
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Oct. 27, 2012
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Jan. 28, 2012
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Oct. 27, 2012
Quoted Prices in Active Markets for Identical Assets or Liabilities Level 1
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Jan. 28, 2012
Quoted Prices in Active Markets for Identical Assets or Liabilities Level 1
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Oct. 27, 2012
Significant Other Observable Inputs Level 2
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Jan. 28, 2012
Significant Other Observable Inputs Level 2
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Oct. 27, 2012
Unobservable Inputs Level 3
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Jan. 28, 2012
Unobservable Inputs Level 3
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Oct. 27, 2012
Long Term Debt January 2014 Notes [Member]
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Jan. 28, 2012
Long Term Debt January 2014 Notes [Member]
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Jan. 15, 2009
Long Term Debt January 2014 Notes [Member]
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||||||||||||
| Long-term Debt and Capital Lease Obligations Current and Noncurrent | $ 1,660,832,000 | $ 1,660,832,000 | $ 2,038,180,000 | $ 1,500,000,000 | ||||||||
| Long-term Debt Unhedged, Carrying Value | 1,515,428,000 | 1,525,003,000 | ||||||||||
| Debt Instrument, Unhedged Fair Value | 1,652,853,000 | 1,721,490,000 | ||||||||||
| Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract] | ||||||||||||
| Money market funds | (473,390,000) | (468,913,000) | 0 | 0 | 0 | 0 | ||||||
| Derivative Assets | 0 | (529,000) | 0 | |||||||||
| Derivative liabilities | 25,512,000 | 25,512,000 | 36,327,000 | 0 | 0 | (26,020,000) | (36,418,000) | 0 | 0 | |||
| Fair Value, Assets and Liabilities Measured on Non Recurring Basis [Abstract] | ||||||||||||
| Goodwill, Impairment Loss | 771,500,000 | (771,493,000) | ||||||||||
| Impairment of Long-Lived Assets Held-for-use | $ 39,500,000 | |||||||||||
| Debt Instrument, Interest Rate, Stated Percentage | 9.75% |