Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income	$ 163,321	$ 13,402
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	12,460	11,724
Cost of revenue - television (spectrum usage rights)	12,131
Deferred income taxes	99,514	8,887
Amortization of debt issue costs	595	579
Amortization of syndication contracts	311	289
Payments on syndication contracts	(300)	(270)
Equity in net income (loss) of nonconsolidated affiliate	175
Non-cash stock-based compensation	3,149	2,634
Changes in assets and liabilities:
(Increase) decrease in accounts receivable	12,790	5,804
(Increase) decrease in prepaid expenses and other assets	(1,830)	(952)
Increase (decrease) in accounts payable, accrued expenses and other liabilities	(8,862)	(3,192)
Net cash provided by operating activities	293,454	38,905
Cash flows from investing activities:
Purchases of short-term investments		(30,000)
Proceeds from maturity of short term investments		30,000
Purchases of property and equipment	(9,639)	(6,960)
Purchases of intangible assets	(32,588)
Purchases of investments	(2,200)	(250)
Deposits on acquisitions	(1,240)
Purchase of a business, net of cash acquired	(7,489)
Net cash used in investing activities	(53,156)	(7,210)
Cash flows from financing activities:
Net proceeds from stock option exercises	11	1,885
Payments on long-term debt	(2,813)	(2,813)
Dividends paid	(10,179)	(8,371)
Repurchase of Class A common stock	(1,778)
Net cash used in financing activities	(14,759)	(9,299)
Effect of exchange rates on cash, cash equivalents and restricted cash	17
Net increase (decrease) in cash, cash equivalents and restricted cash	225,556	22,396
Cash, cash equivalents and restricted cash:
Beginning	61,520	47,924
Ending	287,076	70,320
Cash payments for:
Interest	10,489	11,040
Income taxes	671	534
Supplemental disclosures of non-cash operating, investing and financing activities:
Capital expenditures financed through accounts payable, accrued expenses and other liabilities	604	$ 775
Contingent consideration included in accounts payable, accrued expenses and other liabilities	$ 18,026