Segment Information (Summary of Continuing Operations by Reportable Segment) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Information [Line Items]
Revenues, net	$ 738,025,000	$ 771,392,000	$ 1,450,182,000	$ 1,463,133,000
Operating income	153,203,000	68,256,000	327,880,000	237,964,000
Share-based compensation expenses	8,683,000	16,262,000	16,812,000	29,708,000
Depreciation and amortization	27,231,000	22,604,000	49,821,000	47,850,000
Impairment and other charges	0	142,918,000	0	158,973,000
Restructuring and other related charges	0	155,000	0	8,780,000
Cloud computing amortization	2,364,000	642,000	3,271,000	906,000
Majority-owned equity investees AOI	4,061,000	(200,000)	8,942,000	4,435,000
Adjusted operating income (loss)	195,542,000	250,637,000	406,726,000	488,616,000
Operating Segments | Domestic Operations
Segment Reporting Information [Line Items]
Revenues, net	621,102,000	639,015,000	1,226,645,000	1,212,984,000
Operating income	188,812,000	88,116,000	387,334,000	304,575,000
Share-based compensation expenses	3,172,000	7,292,000	6,845,000	12,931,000
Depreciation and amortization	13,439,000	11,716,000	25,575,000	25,089,000
Impairment and other charges		143,000,000		143,000,000
Restructuring and other related charges		216,000		2,643,000
Cloud computing amortization	5,000	0	12,000	0
Majority-owned equity investees AOI	4,061,000	(200,000)	8,942,000	4,435,000
Adjusted operating income (loss)	209,489,000	250,140,000	428,708,000	492,673,000
Operating Segments | International and Other
Segment Reporting Information [Line Items]
Revenues, net	125,771,000	138,277,000	235,622,000	259,444,000
Operating income	14,087,000	19,963,000	31,442,000	16,801,000
Share-based compensation expenses	467,000	913,000	1,221,000	2,144,000
Depreciation and amortization	4,633,000	4,328,000	9,536,000	9,277,000
Impairment and other charges		(82,000)		15,973,000
Restructuring and other related charges		(17,000)		4,473,000
Cloud computing amortization	0	0	0	0
Majority-owned equity investees AOI	0	0	0	0
Adjusted operating income (loss)	19,187,000	25,105,000	42,199,000	48,668,000
Corporate / Inter-segment Eliminations
Segment Reporting Information [Line Items]
Revenues, net	(8,848,000)	(5,900,000)	(12,085,000)	(9,295,000)
Operating income	(49,696,000)	(39,823,000)	(90,896,000)	(83,412,000)
Share-based compensation expenses	5,044,000	8,057,000	8,746,000	14,633,000
Depreciation and amortization	9,159,000	6,560,000	14,710,000	13,484,000
Impairment and other charges		0		0
Restructuring and other related charges		(44,000)		1,664,000
Cloud computing amortization	2,359,000	642,000	3,259,000	906,000
Majority-owned equity investees AOI	0	0	0	0
Adjusted operating income (loss)	(33,134,000)	(24,608,000)	(64,181,000)	(52,725,000)
Corporate / Inter-segment Eliminations | Domestic Operations
Segment Reporting Information [Line Items]
Revenues, net	(7,442,000)	(6,256,000)	(10,444,000)	(6,926,000)
Corporate / Inter-segment Eliminations | International and Other
Segment Reporting Information [Line Items]
Revenues, net	(1,406,000)	356,000	(1,641,000)	(2,369,000)
Subscription
Segment Reporting Information [Line Items]
Revenues, net	403,726,000	405,980,000	807,886,000	787,840,000
Subscription | Operating Segments | Domestic Operations
Segment Reporting Information [Line Items]
Revenues, net	347,024,000	343,056,000	690,772,000	661,888,000
Subscription | Operating Segments | International and Other
Segment Reporting Information [Line Items]
Revenues, net	56,702,000	62,924,000	117,114,000	125,952,000
Subscription | Corporate / Inter-segment Eliminations
Segment Reporting Information [Line Items]
Revenues, net	0	0	0	0
Content licensing and other
Segment Reporting Information [Line Items]
Revenues, net	110,913,000	127,163,000	195,984,000	216,331,000
Content licensing and other | Operating Segments | Domestic Operations
Segment Reporting Information [Line Items]
Revenues, net	72,426,000	83,677,000	133,680,000	139,672,000
Content licensing and other | Operating Segments | International and Other
Segment Reporting Information [Line Items]
Revenues, net	47,335,000	49,386,000	74,389,000	85,954,000
Content licensing and other | Corporate / Inter-segment Eliminations
Segment Reporting Information [Line Items]
Revenues, net	(8,848,000)	(5,900,000)	(12,085,000)	(9,295,000)
Distribution and other
Segment Reporting Information [Line Items]
Revenues, net	514,639,000	533,143,000	1,003,870,000	1,004,171,000
Distribution and other | Operating Segments | Domestic Operations
Segment Reporting Information [Line Items]
Revenues, net	419,450,000	426,733,000	824,452,000	801,560,000
Distribution and other | Operating Segments | International and Other
Segment Reporting Information [Line Items]
Revenues, net	104,037,000	112,310,000	191,503,000	211,906,000
Distribution and other | Corporate / Inter-segment Eliminations
Segment Reporting Information [Line Items]
Revenues, net	(8,848,000)	(5,900,000)	(12,085,000)	(9,295,000)
Advertising
Segment Reporting Information [Line Items]
Revenues, net	223,386,000	238,249,000	446,312,000	458,962,000
Advertising | Operating Segments | Domestic Operations
Segment Reporting Information [Line Items]
Revenues, net	201,652,000	212,282,000	402,193,000	411,424,000
Advertising | Operating Segments | International and Other
Segment Reporting Information [Line Items]
Revenues, net	21,734,000	25,967,000	44,119,000	47,538,000
Advertising | Corporate / Inter-segment Eliminations
Segment Reporting Information [Line Items]
Revenues, net	$ 0	$ 0	$ 0	$ 0