CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Cash flows from operating activities:    
Net income $ 988 $ 12,679
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation of property and equipment 5,965 3,553
Amortization of intangibles 7,264 3,484
Deferred income taxes (1,156) 2,686
Provision for accounts receivable losses 603 527
Share-based compensation 4,471 1,294
Other 230 (19)
Changes in operating assets and liabilities:    
Accounts receivable 10,102 7,557
Other assets (4,606) (1,025)
Accounts payable and other liabilities (11,453) (2,569)
Deferred revenue (377) 291
Net cash provided by operating activities 12,031 28,458
Cash flows from investing activities:    
Purchases of property and equipment (5,445) (1,420)
Capitalized costs of developing software (2,940) (1,368)
Long-term investment (1,000)  
Proceeds from sale of short-term investments 3,350  
Other (13) 29
Net cash used in investing activities (6,048) (2,759)
Cash flows from financing activities:    
Proceeds from issuance of common stock, net of costs 91 208
Purchases of treasury stock   (16,571)
Repayments of capital leases (133) (99)
Repayments of long-term debt (26,225)  
Net cash used in financing activities (26,267) (16,462)
Effect of exchange rate changes on cash and cash equivalents 580 85
Net increase (decrease) in cash and cash equivalents (19,704) 9,322
Cash and cash equivalents at beginning of year 72,575 73,409
Cash and cash equivalents at end of period 52,871 82,731
Supplemental disclosures of cash flow information:    
Cash paid for interest 7,238 11
Cash paid for income taxes $ 3,619 $ 3,279