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Long-Term Debt - Additional Information (Detail) (USD $)
In Millions, except Share data, unless otherwise specified |
9 Months Ended | 9 Months Ended | 1 Months Ended | 9 Months Ended | 9 Months Ended | 1 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 1 Months Ended | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Sep. 30, 2012
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Apr. 01, 2011
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Sep. 30, 2012
Revolving Credit Facility
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Dec. 31, 2011
Revolving Credit Facility
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Apr. 30, 2011
Secured Debt
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May 15, 2008
Secured Debt
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Sep. 30, 2012
9.125% Senior Notes, due April 2018 (Issued March 22, 2010)
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Mar. 22, 2010
9.125% Senior Notes, due April 2018 (Issued March 22, 2010)
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Sep. 30, 2012
Senior Notes One
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Sep. 30, 2012
Line of Credit
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May 31, 2012
2.125% Convertible Senior Notes, due July 2012
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Sep. 30, 2012
2.125% Convertible Senior Notes, due July 2012
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Sep. 30, 2012
2.125% Convertible Senior Notes, due July 2012
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Jul. 15, 2012
2.125% Convertible Senior Notes, due July 2012
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May 09, 2012
2.125% Convertible Senior Notes, due July 2012
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Jul. 05, 2007
2.125% Convertible Senior Notes, due July 2012
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Sep. 30, 2012
2.125% Convertible Senior Notes, due July 2012
Repayment of Debt
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Sep. 30, 2012
Term Note
Secured Debt
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Sep. 30, 2012
Term Note
Secured Debt
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Dec. 31, 2011
Term Note
Secured Debt
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May 15, 2008
Term Note
Secured Debt
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Apr. 30, 2012
9.125% Senior Notes, due April 2018 (Issued April 25, 2012)
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Apr. 25, 2012
9.125% Senior Notes, due April 2018 (Issued April 25, 2012)
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Jul. 15, 2012
Convertible Senior Notes [Member]
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| Debt Instrument [Line Items] | ||||||||||||||||||||||||
| Aggregate principal amount additional issued | $ 300.0 | $ 125.0 | $ 125.0 | |||||||||||||||||||||
| Percentage of notes guaranteed by restricted subsidiaries | 9.125% | 9.625% | 2.125% | |||||||||||||||||||||
| Repayments of debt | 225.0 | 42.0 | ||||||||||||||||||||||
| Par value of senior notes | 104.00% | |||||||||||||||||||||||
| Gross proceeds of aggregate principal amount additional issued | 130.0 | |||||||||||||||||||||||
| Repurchase of Convertible senior notes | 122.9 | |||||||||||||||||||||||
| Notes paid off | 2.1 | 2.1 | ||||||||||||||||||||||
| Debt issuance costs | 11.5 | 3.6 | ||||||||||||||||||||||
| Debt issuance cost, Net of amortization | 8.0 | |||||||||||||||||||||||
| Percentage of the aggregate principal amount redeemed | 35.00% | |||||||||||||||||||||||
| Percentage of redemption price before notice | 109.125% | |||||||||||||||||||||||
| Percentage of redemption price after notice | 104.563% | |||||||||||||||||||||||
| Percentage of repurchase | 101.00% | |||||||||||||||||||||||
| Redemption date | Apr. 01, 2014 | |||||||||||||||||||||||
| Tender offer price for each 1000 principal amount of 2.125% notes | 1,003.27 | |||||||||||||||||||||||
| Unit for which the tender offer price of 2.125% notes is calculated | 1,000 | |||||||||||||||||||||||
| One time debt extinguishment cost | 1.8 | |||||||||||||||||||||||
| Number of common shares under call options | 9,027,713 | 9,027,713 | ||||||||||||||||||||||
| Strike price of common stock shares | $ 18.29 | |||||||||||||||||||||||
| Number of business days ratable expiration for warrants | 90 days | |||||||||||||||||||||||
| Amortization period of the debt issuance cost | 5 years | |||||||||||||||||||||||
| Senior secured credit facility | 80.0 | 50.0 | ||||||||||||||||||||||
| Increase in the amount of term loan or revolving credit facility | 50.0 | |||||||||||||||||||||||
| Increase in aggregate commitments under credit agreements | 159.0 | |||||||||||||||||||||||
| Maturity of credit facility | May 14, 2013 | |||||||||||||||||||||||
| Balance of term loan to be repaid | 31.0 | 31.0 | ||||||||||||||||||||||
| Variation in applicable rate for LIBOR Rate Loan, Minimum | 2.75% | |||||||||||||||||||||||
| Variation in applicable rate for Base Rate Loan, Minimum | 1.75% | |||||||||||||||||||||||
| Variation in applicable rate for LIBOR Rate Loan, Maximum | 3.25% | |||||||||||||||||||||||
| Variation in applicable rate for Base Rate Loan, Maximum | 2.25% | |||||||||||||||||||||||
| Revolving loans Outstanding | 0 | 0 | 43.0 | 43.0 | 61.0 | |||||||||||||||||||
| Letters of credit outstanding | 2.5 | 2.7 | ||||||||||||||||||||||
| Repayment of Revolver term loan outstanding | 25.0 | |||||||||||||||||||||||
| Base Rate plus | 2.25% | |||||||||||||||||||||||
| Libor plus | 3.25% | |||||||||||||||||||||||
| Amortization Term loan | $ 6.0 | |||||||||||||||||||||||