Condensed Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 1,412	$ 2,114
Short-term investments available-for-sale	25	25
Accounts receivable (less allowance for losses of $747 in 2011and $1,603 in 2010)	90,486	81,860
Prepaid expenses	8,238	7,801
Other current assets	4,067	3,543
Deferred income taxes	3,106	3,106
Total current assets	107,334	98,449
Accounts receivable, long-term portion	631	1,231
Property and equipment, net	40,511	34,851
Non-current investments available-for-sale	2,101	2,126
Other assets:
Goodwill	92,831	92,831
Other intangibles, net	29,958	32,307
Sundry	1,788	2,237
Total assets	275,154	264,032
Current liabilities:
Accounts payable	2,331	2,626
Accrued liabilities	20,466	19,433
Deferred revenue	110,455	102,590
Total current liabilities	133,252	124,649
Revolving line of credit	31,500	26,500
Deferred income taxes	5,952	5,911
Commitments and contingencies
Shareholders' equity:
Preferred stock, $10.00 par value; 1,000,000 shares authorized,none issued
Common stock, $0.01 par value; 100,000,000 shares authorized; 48,147,969 shares issued in 2011 and 2010	481	481
Additional paid-in capital	152,330	153,576
Accumulated other comprehensive loss, net of tax	(275)	(275)
Retained earnings	113,910	102,558
Treasury stock, at cost; 16,406,212 and 15,854,205 shares in 2011 and 2010, respectively	(161,996)	(149,368)
Total shareholders' equity	104,450	106,972
Liabilities and Equity, Total	$ 275,154	$ 264,032