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Stockholders' Equity - Schedule of Stockholders' Equity (Details) - USD ($) shares in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Balance, beginning of period | $ 2,280,061,000 | $ 2,569,808,000 | $ 2,804,151,000 | $ 3,107,083,000 | $ 2,327,906,000 | $ 2,050,946,000 | $ 2,804,151,000 | $ 2,050,946,000
Total stockholders' equity | 2,280,061,000 | 2,280,061,000 | 2,569,808,000 | 2,830,880,000 | 3,107,083,000 | 2,327,906,000 | 2,804,151,000 | 2,830,880,000
Non-cash stock compensation | 3,672,000 | 4,621,000 | 1,984,000 | 1,578,000 | 4,854,000 | 3,149,000 |  |
Conversion of Class B shares to Class A shares |  |  | 0 | 0 | 0 | 0 |  |
Purchase of treasury stock at cost |  |  | (29,203,000) | (104,849,000) |  |  |  |
Exercise of stock options and vesting of restricted stock, net of shares withheld to satisfy tax withholding | (35,000) | (32,000) | 25,614,000 | 1,455,000 | 170,000 | (1,420,000) |  |
Distributions to noncontrolling interest holders |  |  |  |  | (731,000) | (625,000) |  |
Changes in noncontrolling interests | (2,610,000) | 3,471,000 |  |  | (3,700,000) |  |  |
Reclassification of redeemable noncontrolling interests and equity | 1,574,000 | (414,000) | 38,000 | 649,000 | (855,000) | 224,000 |  |
Net (loss) income | (784,430,000) | (311,628,000) | 98,316,000 | (96,794,000) | 779,616,000 | 194,265,000 | (997,742,000) | 877,087,000
Foreign currency translation adjustment, net of tax of $0 | 326,342,000 | 14,034,000 | (330,116,000) | (82,580,000) | 10,188,000 | 49,551,000 | 10,260,000 | (22,841,000)
Unrealized gain on derivatives, net of tax of $0 | 0 |  |  | 4,531,000 | (10,559,000) | 2,609,000 | 0 | (3,419,000)
Minimum pension liability adjustment, net of tax of $0 |  |  | 932,000 | 4,531,000 |  |  | 932,000 | 0
Balance, end of period | 1,824,580,000 | 2,280,061,000 | 2,569,808,000 | 2,830,880,000 | 3,107,083,000 | 2,327,906,000 | 1,824,580,000 | 2,830,880,000
Foreign currency translation adjustment, tax | 0 | 0 |  | 0 | 0 |  | 0 | 0
Pension adjustment, tax | 0 |  |  |  |  |  | 0 | 0
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 | 3,756,975,000 | 3,752,186,000 | 3,724,636,000 | 3,707,305,000 | 3,705,787,000 | 3,703,796,000 | 3,724,636,000 | 3,703,796,000
Total stockholders' equity | 3,758,008,000 | 3,756,975,000 | 3,752,186,000 | 3,710,145,000 | 3,707,305,000 | 3,705,787,000 | 3,758,008,000 | 3,710,145,000
Non-cash stock compensation | 3,672,000 | 4,621,000 | 1,984,000 | 1,578,000 | 4,854,000 | 3,149,000 |  |
Exercise of stock options and vesting of restricted stock, net of shares withheld to satisfy tax withholding | (35,000) | (33,000) | 25,610,000 | 1,455,000 | 170,000 | (1,421,000) |  |
Changes in noncontrolling interests | (2,610,000) |  |  |  | (3,700,000) |  |  |
Balance, end of period | 3,758,008,000 | 3,756,975,000 | 3,752,186,000 | 3,710,145,000 | 3,707,305,000 | 3,705,787,000 | 3,758,008,000 | 3,710,145,000
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 | 228,301,000 | 536,124,000 | 436,509,000 | 470,860,000 | (310,732,000) | (530,919,000) | 436,509,000 | (530,919,000)
Total stockholders' equity | (556,141,000) | 228,301,000 | 536,124,000 | 375,634,000 | 470,860,000 | (310,732,000) | (556,141,000) | 375,634,000
Net (loss) income | (784,442,000) | (307,823,000) | 99,615,000 | (95,226,000) | 781,592,000 | 191,243,000 |  |
Balance, end of period | (556,141,000) | 228,301,000 | 536,124,000 | 375,634,000 | 470,860,000 | (310,732,000) | (556,141,000) | 375,634,000
(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 | (1,391,686,000) | (1,405,788,000) | (1,073,981,000) | (1,060,849,000) | (1,060,565,000) | (1,112,695,000) | (1,073,981,000) | (1,112,695,000)
Total stockholders' equity | (1,065,270,000) | (1,391,686,000) | (1,405,788,000) | (1,138,388,000) | (1,060,849,000) | (1,060,565,000) | (1,065,270,000) | (1,138,388,000)
Foreign currency translation adjustment, net of tax of $0 | 326,416,000 | 14,102,000 | (330,875,000) | (82,070,000) | 10,275,000 | 49,521,000 |  |
Unrealized gain on derivatives, net of tax of $0 |  |  |  |  | (10,559,000) | 2,609,000 |  |
Minimum pension liability adjustment, net of tax of $0 |  |  | 932,000 | 4,531,000 |  |  |  |
Balance, end of period | (1,065,270,000) | (1,391,686,000) | (1,405,788,000) | (1,138,388,000) | (1,060,849,000) | (1,060,565,000) | (1,065,270,000) | (1,138,388,000)
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) | (300,309,000) | (271,106,000) |  |  |  | (271,106,000) |
Total stockholders' equity | (300,309,000) | (300,309,000) | (300,309,000) | (104,849,000) |  |  | (300,309,000) | (104,849,000)
Purchase of treasury stock at cost |  |  | (29,203,000) | (104,849,000) |  |  |  |
Balance, end of period | (300,309,000) | (300,309,000) | (300,309,000) | (104,849,000) |  |  | (300,309,000) | (104,849,000)
Non-controlling interests |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Balance, beginning of period | (14,130,000) | (13,314,000) | (12,812,000) | (11,131,000) | (7,482,000) | (10,133,000) | (12,812,000) | (10,133,000)
Total stockholders' equity | (12,618,000) | (14,130,000) | (13,314,000) | (12,560,000) | (11,131,000) | (7,482,000) | (12,618,000) | (12,560,000)
Distributions to noncontrolling interest holders |  |  |  |  | (731,000) | (625,000) |  |
Changes in noncontrolling interests |  | 3,471,000 |  |  |  |  |  |
Reclassification of redeemable noncontrolling interests and equity | 1,574,000 | (414,000) | 38,000 | 649,000 | (855,000) | 224,000 |  |
Net (loss) income | 12,000 | (3,805,000) | (1,299,000) | (1,568,000) | (1,976,000) | 3,022,000 |  |
Foreign currency translation adjustment, net of tax of $0 | (74,000) | (68,000) | 759,000 | (510,000) | (87,000) | 30,000 |  |
Balance, end of period | $ (12,618,000) | $ (14,130,000) | $ (13,314,000) | $ (12,560,000) | $ (11,131,000) | (7,482,000) | $ (12,618,000) | (12,560,000)
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) | 119,270 |  |  |  |  |  | 119,270 |
Class A Common Stock | Common Stock |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Balance of shares outstanding, beginning of period (in shares) | 119,207 | 119,075 | 119,575 | 118,806 | 107,783 | 107,450 | 119,575 | 107,450
Balance, beginning of period | $ 547,000 | $ 546,000 | $ 542,000 | $ 475,000 | $ 431,000 | $ 430,000 | $ 542,000 | $ 430,000
Total stockholders' equity | $ 547,000 | $ 547,000 | $ 546,000 | $ 535,000 | $ 475,000 | $ 431,000 | $ 547,000 | $ 535,000
Conversion of Class B shares to Class A shares (in shares) |  |  | 18 | 15,002 | 10,991 | 8 |  |
Conversion of Class B shares to Class A shares |  |  |  | $ 60,000 | $ 44,000 |  |  |
Purchases of treasury stock at cost (in shares) |  |  | (1,619) | (6,150) |  |  |  |
Vesting of restricted stock, net of shares withheld to satisfy tax withholding (in shares) | 63 | 132 | 1,101 | 96 | 32 | 325 |  |
Exercise of stock options and vesting of restricted stock, net of shares withheld to satisfy tax withholding | $ 0 | $ 1,000 | $ 4,000 |  |  | $ 1,000 |  |
Balance of shares outstanding, end of period (in shares) | 119,270 | 119,207 | 119,075 | 127,754 | 118,806 | 107,783 | 119,270 | 127,754
Balance, end of period | $ 547,000 | $ 547,000 | $ 546,000 | $ 535,000 | $ 475,000 | $ 431,000 | $ 547,000 | $ 535,000
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 | 90,813 | 90,831 | 105,866 | 116,857 | 116,865 | 90,831 | 116,865
Balance, beginning of period | $ 363,000 | $ 363,000 | $ 363,000 | $ 423,000 | $ 467,000 | $ 467,000 | $ 363,000 | $ 467,000
Total stockholders' equity | $ 363,000 | $ 363,000 | $ 363,000 | $ 363,000 | $ 423,000 | $ 467,000 | $ 363,000 | $ 363,000
Conversion of Class B shares to Class A shares (in shares) |  |  | (18) | (15,002) | (10,991) | (8) |  |
Conversion of Class B shares to Class A shares |  |  |  | $ (60,000) | $ (44,000) |  |  |
Balance of shares outstanding, end of period (in shares) | 90,813 | 90,813 | 90,813 | 90,864 | 105,866 | 116,857 | 90,813 | 90,864
Balance, end of period | $ 363,000 | $ 363,000 | $ 363,000 | $ 363,000 | $ 423,000 | $ 467,000 | $ 363,000 | $ 363,000
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 | 6,000 | 201,000 | (44,000) | (193,000) | 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 | $ 6,000 | $ 201,000 | $ (44,000) | $ (193,000) | $ 194,000 | $ 263,000 |  |

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