Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 238,848	$ 202,463
Receivables (net of allowance for doubtful accounts of $11,332 and $8,557, respectively)	151,672	107,336
Income taxes receivable	19,676	316
Notes receivable, net of allowance	10,789	7,873
Other current assets	34,338	26,885
Total current assets	455,323	344,873
Property and equipment, at cost, net	83,611	84,061
Goodwill	80,519	78,905
Intangible assets, net	14,749	15,738
Notes receivable, net of allowances	139,803	110,608
Investments, employee benefit plans, at fair value	19,749	16,975
Investments in unconsolidated entities	131,128	94,839
Deferred income taxes	7,835	52,812
Other assets	28,475	53,657
Total assets	961,192	852,468
Current liabilities
Accounts payable	68,261	48,071
Accrued expenses and other current liabilities	66,515	80,388
Deferred revenue	136,956	133,218
Current portion of long-term debt	1,302	1,195
Income taxes payable	0	796
Total current liabilities	273,034	263,668
Long-term debt	800,001	839,409
Deferred compensation and retirement plan obligations	24,355	21,595
Deferred income taxes	0	292
Other liabilities	64,182	38,853
Total liabilities	1,161,572	1,163,817
Commitments and Contingencies
SHAREHOLDERS' DEFICIT
Common stock, $0.01 par value, 160,000,000 shares authorized; 95,065,638 shares issued at September 30, 2017 and December 31, 2016 and 56,593,820 and 56,299,949 shares outstanding at September 30, 2017 and December 31, 2016, respectively	951	951
Additional paid-in-capital	178,231	159,045
Accumulated other comprehensive loss	(5,034)	(8,522)
Treasury stock (38,471,818 and 38,765,689 shares at September 30, 2017 and December 31, 2016, respectively), at cost	(1,066,915)	(1,070,383)
Retained earnings	692,387	607,560
Total shareholders’ deficit	(200,380)	(311,349)
Total liabilities and shareholders’ deficit	$ 961,192	$ 852,468