Condensed Consolidated Financial Statements - Components of Other Current Assets and Other Current Liabilities (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Nature Of Business And Summary Of Significant Accounting Policies [Line Items]
Other	$ 8,627	$ 8,319
Total other current assets	18,246	21,637
Settlement payables	9,072	11,250
Accrued interest	2,615	7,501
Vendor financed licenses	13,316	15,723
Royalties payable	4,730	4,910
Other	35,725	35,841
Total other current liabilities	65,458	75,225
Settlement deposits [Member]
Nature Of Business And Summary Of Significant Accounting Policies [Line Items]
Other assets settlement	5,086	5,357
Settlement receivables [Member]
Nature Of Business And Summary Of Significant Accounting Policies [Line Items]
Other assets settlement	$ 4,533	$ 7,961