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Subsequent Events (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 1 Months Ended
--- | --- | ---
Mar. 31, 2012 | Apr. 02, 2011 | May 04, 2012 Repayment of Debt [Member] | May 04, 2012 Senior Notes Due 2016 [Member] Repayment of Debt [Member] | May 04, 2012 Senior Notes Due 2013 [Member] Repayment of Debt [Member]
Subsequent Event [Line Items] |  |  |  |  |
Senior notes repurchased |  | $ 18.7 |  | $ 9.0 | $ 1.5
Loss on early extinguishment of debt | $ 0 | $ 4.3 | $ 2.2 |  |

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