Related-Party Arrangements - Additional Information (Detail) (USD $)
In Millions, except Share data, unless otherwise specified |
1 Months Ended | 9 Months Ended | 9 Months Ended | 1 Months Ended | 1 Months Ended | 9 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Oct. 31, 2012
|
Sep. 30, 2013
|
Dec. 31, 2012
|
Jun. 30, 2012
|
Feb. 29, 2012
|
Feb. 28, 2012
|
Sep. 30, 2013
Maximum
|
Sep. 30, 2013
Minimum
|
Nov. 02, 2013
Subsequent Event
|
Sep. 30, 2010
Letter Agreement
|
Sep. 30, 2010
Related Party Debt
Letter Agreement
|
Sep. 30, 2013
Mann Group
|
Oct. 31, 2012
Mann Group
|
Oct. 31, 2013
Mann Group
Subsequent Event
|
Oct. 31, 2012
Mann Group
Private Placement
|
Feb. 28, 2009
Principal stockholder
|
Oct. 31, 2007
Principal stockholder
|
Sep. 30, 2013
Principal stockholder
|
Dec. 31, 2012
Principal stockholder
|
Oct. 31, 2013
Principal stockholder
Subsequent Event
|
Feb. 28, 2009
Principal stockholder
Loan Arrangement
|
Dec. 31, 2012
Principal stockholder
Loan Arrangement
|
Oct. 31, 2013
Principal stockholder
Amended Agreement
Subsequent Event
|
|
Related Party Transaction [Line Items] | |||||||||||||||||||||||
Loan agreement with related party | $ 350.0 | $ 370.0 | |||||||||||||||||||||
Interest rate (LIBOR) | 5.00% | 3.00% | 5.00% | ||||||||||||||||||||
Description of variable rate interest | The interest rate will increase to the one-year LIBOR calculated on the date of the initial advance or in effect on the date of default, whichever is greater, plus 5% per annum. | One-year LIBOR | One-year LIBOR | One-year LIBOR | |||||||||||||||||||
Borrowing rate | 5.84% | ||||||||||||||||||||||
Promissory note maturity date | Jan. 05, 2020 | ||||||||||||||||||||||
Principal indebtedness cancelled under the loan arrangement as payment for the aggregate exercise price of The Mann Group Warrants | 78.0 | 78.0 | |||||||||||||||||||||
Accrued interest that became due and payable upon cancellation of the of principal indebtedness, to be capitalized | 7.9 | ||||||||||||||||||||||
Principal amount outstanding under credit facility | 119.6 | ||||||||||||||||||||||
Amount available for future borrowings | 30.1 | ||||||||||||||||||||||
Amount prepaid for cancellation of indebtedness | 200.0 | ||||||||||||||||||||||
Number of months advances outstanding | 12 months | ||||||||||||||||||||||
Related party transaction prepayment period | 90 days | ||||||||||||||||||||||
Aggregate principal amount cancelled | 105.0 | ||||||||||||||||||||||
Restricted Stock Agreed to be Purchased by Lender | $ 77.2 | $ 107.4 | |||||||||||||||||||||
Capital stock authorized | 309,993,285 | 286,035,082 | 31,250,000 | 31,250,000 | 31,250,000 | ||||||||||||||||||
Underwritten public offering | 46,000,000 | 40,000,000 | |||||||||||||||||||||
Number of shares represented by purchased warrants | 30,000,000 | ||||||||||||||||||||||
Rate at which warrants are exercisable | 2.60 | 2.40 | |||||||||||||||||||||
Warrant expiration month and year | 2013-10 |