Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Assets
Cash and cash equivalents	$ 28,077	$ 53,850
Restricted cash	2,613
Accounts receivable, net of allowance for doubtful accounts of $117 at March 31, 2012 and $91 at December 31, 2011	6,631	6,588
Income tax refunds receivable		733
Deferred income taxes	2,378	506
Prepaid expenses and other current assets	3,460	3,228
Total current assets	43,159	64,905
Property and equipment, net	2,420	2,404
Goodwill	173,481	140,807
Intangible assets, net	91,978	71,664
Deferred income taxes	3,721	396
Other assets	4,364	3,646
Total assets	319,123	283,822
Liabilities and Stockholders' Equity
Accounts payable	524	1,123
Accrued expenses and other current liabilities	13,649	12,235
Accrued income taxes	1,554	1,280
Deferred revenue	8,505	7,742
Current portion of long-term debt	10,000	10,000
Total current liabilities	34,232	32,380
Long-term debt, less current portion	42,321	27,321
Other long-term liabilities	406	225
Deferred income taxes	29,691	20,596
Reserve for income taxes, net of current portion	1,235	1,174
Accrued pension benefits	3,929	3,765
Commitments and contingencies (Note 14)
Stockholders' equity:
Preferred stock, $0.001 par value, Authorized shares: 10,000,000; Issued and outstanding: none
Common stock, $0.001 par value, Authorized shares: 250,000,000; Issued: 36,638,045 at March 31, 2012 and 36,341,383 at December 31, 2011.	37	36
Additional paid-in capital	170,125	167,448
Treasury stock, at cost, 98,867 shares at March 31, 2012 and 98,527 shares at December 31, 2011	(86)	(86)
Retained earnings	36,706	30,986
Accumulated other comprehensive income	527	(23)
Total stockholders' equity	207,309	198,361
Total liabilities and stockholders' equity	$ 319,123	$ 283,822