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Long-Term Debt - 2013 Credit Facility - Additional Information (Detail) (USD $)
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3 Months Ended | 12 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | ||||||||||||||
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Dec. 31, 2011
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Aug. 02, 2013
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May 31, 2013
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Dec. 31, 2013
2013 Credit Facility [Member]
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Aug. 02, 2013
2013 Credit Facility [Member]
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May 31, 2013
2013 Credit Facility [Member]
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May 31, 2013
Term Loan A [Member]
2013 Credit Facility [Member]
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Dec. 31, 2013
Term Loan B [Member]
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May 31, 2013
Term Loan B [Member]
2013 Credit Facility [Member]
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Dec. 31, 2013
Senior Secured Revolving Credit Facility [Member]
2013 Credit Facility [Member]
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May 31, 2013
Senior Secured Revolving Credit Facility [Member]
2013 Credit Facility [Member]
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Dec. 31, 2013
Senior Secured Revolving Credit Facility [Member]
2013 Credit Facility [Member]
Base Rate Margin [Member]
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Dec. 31, 2013
Senior Secured Revolving Credit Facility [Member]
2013 Credit Facility [Member]
LIBOR Margin [Member]
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Dec. 31, 2013
Term Loan B Facility [Member]
2013 Credit Facility [Member]
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Dec. 31, 2013
Term Loan B Facility [Member]
2013 Credit Facility [Member]
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Dec. 31, 2013
Term Loan [Member]
2013 Credit Facility [Member]
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Dec. 31, 2013
Term Loan [Member]
2013 Credit Facility [Member]
Base Rate Margin [Member]
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Dec. 31, 2013
Term Loan [Member]
2013 Credit Facility [Member]
LIBOR Margin [Member]
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| Debt Instrument [Line Items] | |||||||||||||||||||||
| Senior Secured debt | $ 405,000,000 | $ 20,000,000 | $ 375,000,000 | $ 30,000,000 | |||||||||||||||||
| Maturity date of revolving credit facility | May 31, 2013 | Aug. 01, 2013 | May 31, 2018 | May 31, 2020 | May 31, 2020 | ||||||||||||||||
| Additional borrowing capacity | 100,000,000 | ||||||||||||||||||||
| Effective interest rate | 3.50% | ||||||||||||||||||||
| Variable interest rate basis spread on debt | 1.50% | 2.50% | 1.50% | 2.50% | |||||||||||||||||
| Interest rate on borrowings under 2013 Credit Facility | If a Base Rate Loan, one and one half percent (1.50%) per annum and (B) if a LIBOR Rate Loan, two and one half percent (2.50%) per annum; | If a Base Rate Loan, one and one half percent (1.50%) per annum and (ii) if a LIBOR Rate Loan, two and one half percent (2.50%) per annum; | |||||||||||||||||||
| Period considered for applicability of repricing fees | 6 months | 6 months | |||||||||||||||||||
| Percentage of Repricing Fee | 1.00% | ||||||||||||||||||||
| Certain customary events of default, number of business days to default in the payment of interest on borrowings | 3 days | ||||||||||||||||||||
| Certain customary events of default, number of days default continue for compliance with other agreement | 30 days | ||||||||||||||||||||
| Certain customary events of default, number of days default continue for financial statement delivery obligations | 10 days | ||||||||||||||||||||
| Certain customary events of default ,indebtedness aggregate amount | 15,000,000 | ||||||||||||||||||||
| Certain customary events of default ,failure in payment of final judgments aggregate amount | 15,000,000 | ||||||||||||||||||||
| Certain customary events of default ,failure in payment of final judgments aggregate amount period | 30 days | ||||||||||||||||||||
| Principal amount repurchased | 16,200,000 | 16,200,000 | 324,000,000 | ||||||||||||||||||
| Redemption price on principal amount with net proceeds, accrued and unpaid expense | 106.563% | ||||||||||||||||||||
| Gain (loss) on debt extinguishment | 400,000 | (29,675,000) | (3,743,000) | (423,000) | |||||||||||||||||
| Prepayment to reduce loans outstanding under Term Loan B facility | 10,000,000 | ||||||||||||||||||||
| Carrying value of term loan | 364,100,000 | ||||||||||||||||||||
| Estimated fair value of term loan | $ 364,100,000 | ||||||||||||||||||||