Long-Term Debt - Summary of Long-term Debt (Parenthetical) (Detail)	6 Months Ended
Jun. 30, 2013
Debt Disclosure [Abstract]
Change in maturity date, description	The term loans maturing in June 2019 and the revolver availability 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 outstanding debt under the Second Lien Credit Agreement or its unsecured debt prior to their maturity dates.

Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(2))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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