Financial Instruments and Fair Value Measurements - Carrying Value and Estimated Fair Values for Financial Instruments (Detail) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Indemnification assets:
Software cost reimbursement, Carrying Amount	$ 141	$ 1,428
Indemnification assets:
Software cost reimbursement, Fair Value	141	1,428
Senior Secured Term Loan A [Member]
Financial liabilities:
Senior secured term loan, Carrying Amount	269,781	277,239
Financial liabilities:
Senior secured term loan, Fair Value	264,600	266,400
Senior Secured Term Loan B [Member]
Financial liabilities:
Senior secured term loan, Carrying Amount	387,749	389,340
Financial liabilities:
Senior secured term loan, Fair Value	$ 385,140	$ 385,462

Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5

Name:	us-gaap_SecuredDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant