Condensed Consolidated Financial Statements - Components of Other Current Assets and Other Current Liabilities (Detail) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Nature Of Business And Summary Of Significant Accounting Policies [Line Items]
Other	$ 9,912	$ 8,319
Total other current assets	17,941	21,637
Settlement payables	6,941	11,250
Accrued interest	7,547	7,501
Vendor financed licenses	11,749	15,723
Royalties payable	4,013	4,910
Other	30,983	35,841
Total other current liabilities	61,233	75,225
Settlement deposits [Member]
Nature Of Business And Summary Of Significant Accounting Policies [Line Items]
Other assets settlement	4,566	5,357
Settlement receivables [Member]
Nature Of Business And Summary Of Significant Accounting Policies [Line Items]
Other assets settlement	$ 3,463	$ 7,961