Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 37,988	$ 53,850
Accounts receivable, net of allowance for doubtful accounts of $98 at September 30, 2012 and $91 at December 31, 2011	6,383	6,588
Income tax refunds receivable	429	733
Deferred income taxes	2,529	506
Prepaid expense and other current assets	3,249	3,228
Total current assets	50,578	64,905
Property and equipment, net	2,510	2,404
Goodwill	172,090	140,807
Intangible assets, net	86,463	71,664
Deferred income taxes	328	396
Other assets	3,227	3,646
Total assets	315,196	283,822
Current liabilities:
Accounts payable	1,148	1,123
Accrued expenses and other current liabilities	14,296	12,235
Accrued income taxes	2,438	1,280
Deferred revenue	6,854	7,742
Current portion of long-term debt	10,000	10,000
Total current liabilities	34,736	32,380
Long-term debt, less current portion	22,321	27,321
Other long-term liabilities	511	225
Deferred income taxes	26,804	20,596
Reserve for income taxes, net of current portion	901	1,174
Accrued pension benefits	3,924	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: 37,061,266 at September 30, 2012 and 36,341,383 at December 31, 2011	37	36
Additional paid-in capital	175,723	167,448
Treasury stock, at cost, 103,975 shares at September 30, 2012 and 98,527 shares at December 31, 2011	(86)	(86)
Retained earnings	50,631	30,986
Accumulated other comprehensive income (loss)	(306)	(23)
Total stockholders' equity	225,999	198,361
Total liabilities and stockholders' equity	$ 315,196	$ 283,822