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Components of Long-Term Debt (Parenthetical) (Detail) | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2012 Term loan facility, at a rate of 2.75%, due 10/1/2014 | Dec. 31, 2012 3.875% Convertible Senior Subordinated Notes Due 2017 | Dec. 31, 2011 3.875% Convertible Senior Subordinated Notes Due 2017 | Dec. 31, 2012 6.875% Senior Subordinated Notes Due 2019 | Jun. 13, 2012 6.875% Senior Subordinated Notes Due 2019
Line of Credit Facility [Line Items] |  |  |  |  |
Interest rate | 2.75% |  |  |  |
Debt maturity date | Oct. 01, 2014 |  |  |  |
Interest rate |  | 3.875% | 3.875% | 6.875% | 6.875%
Debt instrument maturity date |  | 2017 | 2017 | 2019 | 2019

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- Definition Interest rate stated in the contractual debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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