Fair Value Measurements (Details) (USD $) | Oct. 29, 2011
Short Term Debt October 2012 Notes including Unamortized Gain [Member] | Oct. 29, 2011
Short Term Debt October 2012 Notes [Member] | Jul. 30, 2011
Short Term Debt October 2012 Notes [Member] | Jan. 29, 2011
Long Term Debt October 2012 Notes [Member] | Oct. 29, 2011
January 2014 Notes | Jan. 29, 2011
January 2014 Notes |
|---|---|---|---|---|---|---|
| Debt Instrument | ||||||
| Total long-term debt | $ 335,474,000 | |||||
| Debt instrument stated percentage (as a percent) | 7.375% | 9.75% | ||||
| Interest rate swap agreement, debt amount of hedged item | 750,000,000 | |||||
| Debt instrument, carrying value of unhedged portion | 0 | 1,528,196,000 | 750,000,000 | |||
| Debt instrument, fair value of unhedged portion | $ 343,517,000 | $ 0 | $ 1,730,229,000 | $ 915,450,000 |