Fair Value Measurements - Additional Information (Detail)	Dec. 31, 2013	Dec. 31, 2012	May 13, 2011
First lien term loan
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading prices rate to calculate the fair value	100.00%	100.75%
Second lien term loan
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading prices rate to calculate the fair value		102.75%
7.75% Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading prices rate to calculate the fair value	105.18%	98.30%
7.75% senior notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest on borrowings, per annum	7.75%	7.75%	7.75%