Condensed Consolidated Financial Statements - Components of Other Current Assets and Other Current Liabilities (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Nature Of Business And Summary Of Significant Accounting Policies [Line Items]
Current debt issuance costs	$ 5,651	$ 6,244
Other	8,680	9,889
Total other current assets	24,864	40,417
Settlement payables	9,203	21,715
Accrued interest	2,426	7,256
Vendor financed licenses	14,068	7,340
Royalties payable	3,452	4,070
Other	32,658	27,124
Total other current liabilities	61,807	67,505
Settlement deposits [Member]
Nature Of Business And Summary Of Significant Accounting Policies [Line Items]
Other assets settlement	4,686	13,252
Settlement receivables [Member]
Nature Of Business And Summary Of Significant Accounting Policies [Line Items]
Other assets settlement	$ 5,847	$ 11,032