Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current Assets
Cash and cash equivalents	$ 82,758	$ 67,459
Short-term investments	6,930	51,807
Accounts receivable, net of allowance for doubtful accounts of $2,832 and $3,045	58,609	52,664
Unbilled receivables	4,506	3,385
Income tax receivable	76	196
Deferred income taxes	6,442	5,477
Prepaid expenses and other current assets	13,439	9,555
Total current assets	172,760	190,543
Long-term investments		9,710
Property and equipment, net	20,799	18,632
Software, net	30,643	27,179
Goodwill	67,343	43,265
Intangible assets, net	83,732	73,074
Deferred income taxes, non-current	29,867	35,092
Deferred financing costs, net	248	354
Other long-term assets	7,704	7,795
Total assets	413,096	405,644
Current liabilities
Accounts payable	11,519	7,909
Notes payable, current	11	11
Term loan, current portion	5,000	5,000
Commissions payable	4,302	3,673
Accrued compensation and benefits	15,518	18,061
Other accrued liabilities	15,655	13,970
Deferred revenue	90,528	81,795
Capital lease obligations	416	282
Total current liabilities	142,949	130,701
Revolving credit line and term loan	22,500	25,000
Capital lease obligations, less current portion	360	218
Deferred revenue, less current portion	5,908	7,042
Deferred income taxes	1,310	1,823
Other long-term liabilities	4,490	5,330
Total liabilities	177,517	170,114
Commitments and Contingencies
Temporary equity
Noncontrolling interest	4,804	4,990
Shareholders' Equity
Common stock, par value $0.01; authorized 100,000,000 shares; shares issued and outstanding: 27,387,715 and 27,124,276, respectively	274	271
Additional paid-in-capital	390,916	385,511
Accumulated deficit	(153,554)	(149,376)
Accumulated other comprehensive loss	(6,861)	(5,866)
Total shareholders' equity	230,775	230,540
Total liabilities and shareholders' equity	$ 413,096	$ 405,644