Long-Term Debt - Summary of Long-Term Debt (Parenthetical) (Detail)	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Change in maturity date, description	The term loans maturing in June 2019 and the revolver availability through June 2018 are subject to a reduction in maturity to November 2015, December 2015, June 2016 or September 2016 if the Company is unable to repay or refinance its debt outstanding under the second lien credit agreement or its unsecured debt prior to their maturity dates.	The term loans maturing in June 2019 and the revolver availability through June 2018 are subject to a reduction in maturity to November 2015, December 2015, June 2016 or September 2016 if the Company is unable to repay or refinance its debt outstanding under the second lien credit agreement or its unsecured debt prior to their maturity dates.
Secured Debt [Member] | Dollar Denominated [Member] | Revolver Borrowings [Member]
Debt Instrument [Line Items]
Variable Interest rate description	Libor+4 1/4 %	Libor+4 1/4 %
Secured Debt [Member] | Dollar Denominated [Member] | Minimum [Member] | Revolver Borrowings [Member]
Debt Instrument [Line Items]
LIBOR floor rate	1.25%	1.25%
Secured Debt [Member] | Dollar Denominated [Member] | Term Loans [Member]
Debt Instrument [Line Items]
Variable Interest rate description	Libor+5 %	Libor+5 %
Secured Debt [Member] | Dollar Denominated [Member] | Minimum [Member] | Term Loans [Member]
Debt Instrument [Line Items]
LIBOR floor rate	1.25%	1.25%
Secured Debt [Member] | Tranche 1 Dollar Denominated Term Loan [Member] | Second Lien Credit Agreement [Member]
Debt Instrument [Line Items]
Variable Interest rate description	Libor+8 %	Libor+8 %
Secured Debt [Member] | Tranche 1 Dollar Denominated Term Loan [Member] | Minimum [Member] | Second Lien Credit Agreement [Member]
Debt Instrument [Line Items]
LIBOR floor rate	1.50%	1.50%
Secured Debt [Member] | Tranche 2 Dollar Denominated Term Loan [Member] | Second Lien Credit Agreement [Member]
Debt Instrument [Line Items]
Cash interest portion	4.00%	4.00%
Payment-in-kind-interest	4.375%	4.375%
Unsecured Debt [Member] | Dollar Denominated Notes [Member] | Senior Notes [Member]
Debt Instrument [Line Items]
Cash interest portion	11.375%	11.375%
Payment-in-kind-interest	2.50%	2.50%
Unsecured Debt [Member] | Dollar Denominated Floating Rate Notes [Member] | Senior Notes [Member]
Debt Instrument [Line Items]
Cash interest portion	6.125%	6.125%
Payment-in-kind-interest	2.50%	2.50%
Variable Interest rate description	Libor+6.125%	Libor+6.125%