Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets
Cash and cash equivalents	$ 200,544	$ 214,879
Receivables (net of allowance for doubtful accounts of $9,842 and $10,084, respectively)	102,013	91,681
Deferred income taxes	25,674	23,860
Income taxes receivable	0	1,458
Investments, employee benefit plans, at fair value	177	214
Other current assets	28,864	19,322
Total current assets	357,272	351,414
Property and equipment, at cost, net	80,057	77,309
Goodwill	65,813	65,813
Franchise rights and other identifiable intangibles, net	8,001	8,912
Notes receivable, net of allowances	48,781	40,441
Investments, employee benefit plans, at fair value	17,916	17,539
Deferred income taxes	18,921	20,546
Other assets	64,361	65,296
Total assets	661,122	647,270
Current liabilities
Accounts payable	54,631	57,124
Accrued expenses	39,414	63,530
Deferred revenue	73,908	66,382
Current portion of long-term debt	12,362	12,349
Deferred compensation and retirement plan obligations	177	628
Income taxes payable	1,396	85
Total current liabilities	181,888	200,098
Long-term debt	799,628	782,082
Deferred compensation and retirement plan obligations	24,259	23,987
Other liabilities	68,840	69,904
Total liabilities	1,074,615	1,076,071
Commitments and Contingencies
SHAREHOLDERS' DEFICIT
Common stock, $0.01 par value, 160,000,000 shares authorized; 95,065,638 shares issued at March 31, 2015 and December 31, 2014 and 57,587,566 and 57,337,720 shares outstanding at March 31, 2015 and December 31, 2014, respectively	576	573
Additional paid-in-capital	131,711	127,661
Accumulated other comprehensive loss	(8,203)	(6,971)
Treasury stock (37,478,072 and 37,727,918 shares at March 31, 2015 and December 31, 2014, respectively), at cost	(979,828)	(982,463)
Retained earnings	442,251	432,399
Total shareholders’ deficit	(413,493)	(428,801)
Total liabilities and shareholders’ deficit	$ 661,122	$ 647,270