Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Assets:
Cash	$ 443,425	$ 462,399
Accounts receivable, less allowance for doubtful accounts of $4,656 and $4,606, respectively	168,186	171,230
Prepaid income taxes	22,251	13,791
Prepaid and other current assets	6,001	4,681
Total current assets	649,613	666,757
Property and equipment, net	343,178	350,658
Broadcast licenses	1,530,703	1,530,703
Goodwill	611,100	611,100
Other intangible assets, net	68,348	73,784
Investment in broadcasting and technology companies	16,599	16,599
Other	13,171	11,256
Total assets	3,232,712	3,260,857
Liabilities and stockholders’ equity:
Accounts payable	3,068	7,840
Employee compensation and benefits	21,295	30,144
Accrued interest	23,164	26,624
Other accrued expenses	7,651	11,970
Federal and state income taxes	9,457	8,753
Deferred revenue	4,506	4,004
Current portion of long-term debt	6,417	6,417
Total current liabilities	100,630	131,305
Long-term debt, less current portion and deferred financing costs	1,830,411	1,831,011
Program broadcast obligations, less current portion	3,822	4,277
Deferred income taxes	267,396	261,690
Accrued pension costs	37,578	37,838
Other	1,836	1,839
Total liabilities	2,241,673	2,267,960
Commitments and contingencies (Note 8)
Stockholders’ equity:
Common stock	904,170	902,518
Retained earnings	181,639	161,694
Accumulated other comprehensive loss, net of income tax benefit	(22,165)	(22,165)
Stockholders' equity before treasury stock	1,088,793	1,066,691
Treasury stock at cost	(72,270)	(49,562)
Total stockholders’ equity	991,039	992,897
Total liabilities and stockholders’ equity	3,232,712	3,260,857
Common Class A [Member]
Stockholders’ equity:
Common stock	25,149	24,644
Treasury stock at cost	(25,484)	(24,232)
Syndicated Program Film Rights, Current [Member]
Assets:
Current portion of program broadcast rights, net	9,750	14,656
Network Programming Obligations, Current [Member]
Liabilities and stockholders’ equity:
Program rights obligations	14,851	20,317
Syndicated Program Film Obliagtions, Current [Member]
Liabilities and stockholders’ equity:
Program rights obligations	$ 10,221	$ 15,236