Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
CURRENT ASSETS:
Cash and cash equivalents	$ 183,059	$ 182,338
Trust and restricted cash	20,141	19,829
Accounts receivable, net of allowance of $6,738 and $7,270	369,068	373,087
Income taxes receivable	4,366	19,332
Prepaid assets	40,886	43,093
Deferred expenses	44,886	65,781
Other current assets	31,889	22,040
Assets held for sale	0	17,672
Total current assets	694,295	743,172
PROPERTY AND EQUIPMENT:
Property and equipment	1,088,205	1,053,678
Accumulated depreciation and amortization	(755,754)	(718,834)
Total property and equipment, net	332,451	334,844
GOODWILL	1,916,192	1,915,690
INTANGIBLE ASSETS, net of accumulated amortization of $651,180 and $583,623	315,474	370,021
OTHER ASSETS	182,426	191,490
TOTAL ASSETS	3,440,838	3,555,217
CURRENT LIABILITIES:
Accounts payable	78,881	92,935
Deferred revenue	151,148	161,828
Accrued expenses	224,871	219,234
Current maturities of long-term debt	39,709	24,375
Total current liabilities	494,609	498,372
LONG-TERM OBLIGATIONS, less current maturities	3,129,963	3,318,688
DEFERRED INCOME TAXES	88,864	104,222
OTHER LONG-TERM LIABILITIES	169,251	186,073
Total liabilities	3,882,687	4,107,355
COMMITMENTS AND CONTINGENCIES (Note 16)
STOCKHOLDERS’ DEFICIT
Common Stock $0.001 par value, 475,000 shares authorized, 86,357 and 85,459 shares issued and 83,265 and 83,367 shares outstanding	86	85
Additional paid-in capital	2,223,379	2,193,193
Retained deficit	(2,490,455)	(2,607,415)
Accumulated other comprehensive loss	(87,633)	(72,736)
Treasury stock at cost (3,092 and 2,092 shares)	(87,226)	(65,265)
Total stockholders’ deficit	(441,849)	(552,138)
TOTAL LIABILITIES AND STOCKHOLDERS’ DEFICIT	$ 3,440,838	$ 3,555,217