Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

Reference 1: 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)(1))

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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Name:	us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Long-Term Debt - Summary of Long-Term Debt (Parenthetical) (Detail)	Sep. 30, 2015	Dec. 31, 2014
Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument interest rate effective percentage		12.07%
Term B-2 Loans [Member]
Debt Instrument [Line Items]
Debt instrument interest rate effective percentage	3.26%	3.26%
Term B-3 Loans [Member]
Debt Instrument [Line Items]
Debt instrument interest rate effective percentage	4.33%