Consolidated Balance Sheets (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Current assets
Cash and cash equivalents	$ 15,985	$ 18,925
Trade accounts receivable, net of allowance for doubtful accounts of $5,094 as of September 30, 2011, and $4,708 as of December 31, 2010	49,252	59,808
Prepaid expenses and other current assets	8,670	11,332
Deferred tax assets	4,678	4,758
Total current assets	78,585	94,823
Equity and other investments	12,816	18,385
Property and equipment, net	70,098	70,332
Goodwill, net	44,518	38,895
Other intangibles, net	12,223	6,272
Other noncurrent assets	443	534
Total assets	218,683	229,241
Current liabilities
Accounts payable	10,053	10,007
Accrued expenses and other current liabilities	20,703	27,670
Current portion of debt	0	53,000
Deferred revenue	44,646	36,479
Total current liabilities	75,402	127,156
Noncurrent deferred tax liabilities	2,809	2,695
Other noncurrent liabilities	22,362	21,739
Total liabilities	100,573	151,590
Stockholders' equity
Preferred stock, $100.00 par value, 750 shares authorized, no shares issued
Common stock, $0.50 par value, 500,000 shares authorized, 32,338 shares issued as of September 30, 2011, and December 31, 2010	16,169	16,169
Retained earnings	114,098	74,184
Common stock held in treasury, 5,098 shares as of September 30, 2011, and 5,285 shares as of December 31, 2010	(2,549)	(2,642)
Accumulated other comprehensive loss	(9,608)	(10,060)
Total stockholders' equity	118,110	77,651
Total liabilities and stockholders' equity	$ 218,683	$ 229,241