CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net income (loss)	$ (1,128)	$ 988
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation of property and equipment	7,495	5,965
Amortization of intangibles	7,509	7,264
Deferred income taxes	1,629	(1,156)
Provision for accounts receivable losses	770	603
Share-based compensation	3,218	4,471
Other	385	230
Changes in operating assets and liabilities:
Accounts receivable	6,530	10,102
Other assets	68	(4,606)
Accounts payable and other liabilities	(5,198)	(11,453)
Deferred revenue	295	(377)
Net cash provided by operating activities	21,573	12,031
Cash flows from investing activities:
Purchases of property and equipment	(3,078)	(5,445)
Capitalized costs of developing software	(3,844)	(2,940)
Long-term investment		(1,000)
Proceeds from sale of short-term investments	314	3,350
Other	8	(13)
Net cash used in investing activities	(6,600)	(6,048)
Cash flows from financing activities:
Proceeds from issuance of common stock, net of costs	93	91
Repayments of capital leases	(85)	(133)
Repayments of long-term debt	(51,225)	(26,225)
Net cash used in financing activities	(51,217)	(26,267)
Effect of exchange rate changes on cash and cash equivalents	(946)	580
Net decrease in cash and cash equivalents	(37,190)	(19,704)
Cash and cash equivalents at beginning of year	84,520	72,575
Cash and cash equivalents at end of period	47,330	52,871
Supplemental disclosures of cash flow information:
Cash paid for interest	6,551	7,238
Cash (received) paid for income taxes	$ (1,420)	$ 3,619