Condensed Consolidated Statements of Cash Flows (unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities:
Net loss	$ (7,430)	$ (961)
Reconciliation of net loss to net cash and cash equivalents provided by operating activities:
Depreciation	2,191	1,741
Amortization expense for acquired intangible assets	3,306	8,520
Non-cash interest expense	1,587	1,213
Non-cash compensation expense	64	301
Increase to accounts receivable allowances	605	16
Deferred income taxes	1,142	(1,699)
Changes in operating assets and liabilities:
Accounts receivable	631	(1,645)
Other current assets and other assets	(1,998)	88
Accounts payable	(710)	(41)
Accrued liabilities and other liabilities	(1,539)	(3,456)
Deferred revenues	18,330	17,167
Net cash and cash equivalents provided by operating activities	16,179	21,244
Cash flows from investing activities:
Purchases of property and equipment	(2,430)	(1,360)
Purchase of investment	0	(1,886)
Net cash and cash equivalents used in investing activities	(2,430)	(3,246)
Cash flows from financing activities:
Repayment of borrowings	(16,100)	0
Proceeds received from issuance of ordinary shares	4	0
Net cash and cash equivalents used in financing activities	(16,096)	0
Effect of exchange rate changes on cash	(275)	(1,590)
Net (decrease) increase in cash and cash equivalents	(2,622)	16,408
Cash and cash equivalents:
Beginning of period	28,222	82,365
End of period	25,600	98,773
Supplemental disclosure of cash flow information
Cash paid for interest	9,510	9,753
Cash paid for income taxes	$ 1,845	$ 766