Stockholders' Equity - Schedule of Stockholders' Equity (Details) - USD ($) shares in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period	$ 2,569,808,000	$ 2,804,151,000	$ 2,327,906,000	$ 2,050,946,000	$ 2,804,151,000	$ 2,050,946,000
Total stockholders' equity	2,569,808,000	2,569,808,000	3,107,083,000	2,327,906,000	2,804,151,000	3,107,083,000
Non-cash stock compensation	4,621,000	1,984,000	4,854,000	3,149,000
Conversion of Class B shares to Class A shares		0	0	0
Treasury Stock, Value, Acquired, Cost Method		(29,203,000)
Exercise of stock options and vesting of restricted stock, net of shares withheld to satisfy tax withholding	(32,000)	25,614,000	170,000	(1,420,000)
Distributions to noncontrolling interest holders				(625,000)
Capital contributions from noncontrolling interest holders			(731,000)
Changes in noncontrolling interests	3,471,000		(3,700,000)
Reclassification of redeemable noncontrolling interests and equity	(414,000)	38,000	(855,000)	224,000
Net (loss) income	(311,628,000)	98,316,000	779,616,000	194,265,000	(213,312,000)	973,881,000
Foreign currency translation adjustment, net of tax of $0	14,034,000	(330,116,000)	10,188,000	49,551,000	(316,082,000)	59,739,000
Minimum pension liability adjustment, net of tax of $0		(932,000)			(932,000)	0
Balance, end of period	2,280,061,000	2,569,808,000	3,107,083,000	2,327,906,000	2,280,061,000	3,107,083,000
Foreign currency translation adjustment, tax	0	0	0	0	0	0
Pension adjustment, tax	0				0	0
Unrealized loss on derivative instruments, net of tax of $0	0		(10,559,000)	2,609,000	0	(7,950,000)
Adoption of accounting standards
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period				28,944,000		28,944,000
Total stockholders' equity				28,944,000		28,944,000
Cumulative Effect, Period of Adoption, Adjusted Balance
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period				2,079,890,000		2,079,890,000
Total stockholders' equity				2,079,890,000		2,079,890,000
Additional paid-in capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period	3,752,186,000	3,724,636,000	3,705,787,000	3,703,796,000	3,724,636,000	3,703,796,000
Total stockholders' equity	3,756,975,000	3,752,186,000	3,707,305,000	3,705,787,000	3,756,975,000	3,707,305,000
Non-cash stock compensation	4,621,000	1,984,000	4,854,000	3,149,000
Exercise of stock options and vesting of restricted stock, net of shares withheld to satisfy tax withholding	(33,000)	25,610,000	170,000	(1,421,000)
Changes in noncontrolling interests			(3,700,000)
Balance, end of period	3,756,975,000	3,752,186,000	3,707,305,000	3,705,787,000	3,756,975,000	3,707,305,000
Additional paid-in capital | Cumulative Effect, Period of Adoption, Adjusted Balance
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period				3,703,796,000		3,703,796,000
Total stockholders' equity				3,703,796,000		3,703,796,000
(Accumulated deficit) retained earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period	536,124,000	436,509,000	(310,732,000)	(530,919,000)	436,509,000	(530,919,000)
Total stockholders' equity	228,301,000	536,124,000	470,860,000	(310,732,000)	228,301,000	470,860,000
Net (loss) income	(307,823,000)	99,615,000	781,592,000	191,243,000
Balance, end of period	228,301,000	536,124,000	470,860,000	(310,732,000)	228,301,000	470,860,000
(Accumulated deficit) retained earnings | Adoption of accounting standards
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period				28,944,000		28,944,000
Total stockholders' equity				28,944,000		28,944,000
(Accumulated deficit) retained earnings | Cumulative Effect, Period of Adoption, Adjusted Balance
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period				(501,975,000)		(501,975,000)
Total stockholders' equity				(501,975,000)		(501,975,000)
Accumulated other comprehensive (loss) income
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period	(1,405,788,000)	(1,073,981,000)	(1,060,565,000)	(1,112,695,000)	(1,073,981,000)	(1,112,695,000)
Total stockholders' equity	(1,391,686,000)	(1,405,788,000)	(1,060,849,000)	(1,060,565,000)	(1,391,686,000)	(1,060,849,000)
Foreign currency translation adjustment, net of tax of $0	14,102,000	(330,875,000)	10,275,000	49,521,000
Minimum pension liability adjustment, net of tax of $0		(932,000)
Balance, end of period	(1,391,686,000)	(1,405,788,000)	(1,060,849,000)	(1,060,565,000)	(1,391,686,000)	(1,060,849,000)
Unrealized loss on derivative instruments, net of tax of $0			(10,559,000)	2,609,000
Accumulated other comprehensive (loss) income | Cumulative Effect, Period of Adoption, Adjusted Balance
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period				(1,112,695,000)		(1,112,695,000)
Total stockholders' equity				(1,112,695,000)		(1,112,695,000)
Treasury stock at cost
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period	(300,309,000)	(271,106,000)			(271,106,000)
Total stockholders' equity	(300,309,000)	(300,309,000)			(300,309,000)
Treasury Stock, Value, Acquired, Cost Method		(29,203,000)
Balance, end of period	(300,309,000)	(300,309,000)			(300,309,000)
Non-controlling interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period	(13,314,000)	(12,812,000)	(7,482,000)	(10,133,000)	(12,812,000)	(10,133,000)
Total stockholders' equity	(14,130,000)	(13,314,000)	(11,131,000)	(7,482,000)	(14,130,000)	(11,131,000)
Distributions to noncontrolling interest holders				(625,000)
Capital contributions from noncontrolling interest holders			(731,000)
Changes in noncontrolling interests	3,471,000
Reclassification of redeemable noncontrolling interests and equity	(414,000)	38,000	(855,000)	224,000
Net (loss) income	(3,805,000)	(1,299,000)	(1,976,000)	3,022,000
Foreign currency translation adjustment, net of tax of $0	(68,000)	759,000	(87,000)	30,000
Balance, end of period	$ (14,130,000)	$ (13,314,000)	$ (11,131,000)	(7,482,000)	$ (14,130,000)	(11,131,000)
Non-controlling interests | Cumulative Effect, Period of Adoption, Adjusted Balance
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period				(10,133,000)		(10,133,000)
Total stockholders' equity				$ (10,133,000)		$ (10,133,000)
Class A Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance of shares outstanding, beginning of period (in shares)		119,575			119,575
Balance of shares outstanding, end of period (in shares)	119,207				119,207
Class A Common Stock | Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance of shares outstanding, beginning of period (in shares)	119,075	119,575	107,783	107,450	119,575	107,450
Balance, beginning of period	$ 546,000	$ 542,000	$ 431,000	$ 430,000	$ 542,000	$ 430,000
Total stockholders' equity	$ 547,000	$ 546,000	$ 475,000	$ 431,000	$ 547,000	$ 475,000
Conversion of Class B shares to Class A shares (in shares)		18	10,991	8
Conversion of Class B shares to Class A shares			$ 44,000
Purchases of treasury stock at cost (in shares)		(1,619)
Vesting of restricted stock, net of shares withheld to satisfy tax withholding (in shares)	132	1,101	32	325
Exercise of stock options and vesting of restricted stock, net of shares withheld to satisfy tax withholding	$ 1,000	$ 4,000		$ 1,000
Balance of shares outstanding, end of period (in shares)	119,207	119,075	118,806	107,783	119,207	118,806
Balance, end of period	$ 547,000	$ 546,000	$ 475,000	$ 431,000	$ 547,000	$ 475,000
Class A Common Stock | Common Stock | Cumulative Effect, Period of Adoption, Adjusted Balance
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period				430,000		430,000
Total stockholders' equity				$ 430,000		$ 430,000
Class B Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance of shares outstanding, beginning of period (in shares)		90,831			90,831
Balance of shares outstanding, end of period (in shares)	90,813				90,813
Class B Common Stock | Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance of shares outstanding, beginning of period (in shares)	90,813	90,831	116,857	116,865	90,831	116,865
Balance, beginning of period	$ 363,000	$ 363,000	$ 467,000	$ 467,000	$ 363,000	$ 467,000
Total stockholders' equity	$ 363,000	$ 363,000	$ 423,000	$ 467,000	$ 363,000	$ 423,000
Conversion of Class B shares to Class A shares (in shares)		(18)	(10,991)	(8)
Conversion of Class B shares to Class A shares			$ (44,000)
Balance of shares outstanding, end of period (in shares)	90,813	90,813	105,866	116,857	90,813	105,866
Balance, end of period	$ 363,000	$ 363,000	$ 423,000	$ 467,000	$ 363,000	$ 423,000
Class B Common Stock | Common Stock | Cumulative Effect, Period of Adoption, Adjusted Balance
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period				467,000		467,000
Total stockholders' equity				467,000		$ 467,000
Redeemable noncontrolling interests and equity
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accretion of redeemable noncontrolling interests and equity	201,000	(44,000)	194,000	263,000
Redeemable noncontrolling interests and equity | Additional paid-in capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accretion of redeemable noncontrolling interests and equity	$ 201,000	$ (44,000)	$ 194,000	$ 263,000