Components of Other Current Assets and Other Current Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Nature Of Business And Summary Of Significant Accounting Policies [Line Items]
Current debt issuance costs	$ 6,244	$ 5,276
Other	9,889	12,163
Total other current assets	40,417	65,328
Settlement payables	21,715	42,841
Accrued interest	7,256	7,074
Vendor financed licenses	7,340	6,410
Royalties payable	4,070	5,627
Other	27,124	33,064
Total other current liabilities	67,505	95,016
Settlement deposits
Nature Of Business And Summary Of Significant Accounting Policies [Line Items]
Other assets settlement	13,252	27,770
Settlement receivables
Nature Of Business And Summary Of Significant Accounting Policies [Line Items]
Other assets settlement	$ 11,032	$ 20,119