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Stockholders' Equity - Schedule of Stockholders' Equity (Details) - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |
Balance, beginning of period | $ 1,139,558,000 | $ 2,263,934,000
Non-cash stock compensation | 2,762,000 | 1,576,000
Conversion of Class B shares to Class A shares |  | 0
Purchase of treasury stock at cost | (112,874,000) | (145,806,000)
Exercise of stock options and vesting of restricted stock, net of shares withheld to satisfy tax withholding | 10,722,000 | (1,222,000)
Net loss | (44,680,000) | (164,943,000)
Foreign currency translation adjustment, net of tax of $0 | 49,575,000 | (59,761,000)
Minimum pension liability adjustment, net of tax of $0 | 14,000 | (168,000)
Balance, end of period | 1,044,888,000 | 1,893,489,000
Foreign currency translation adjustment, tax | 0 | 0
Pension adjustment, tax | 0 | 0
Revision of Prior Period, Accounting Standards Update, Adjustment |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |
Balance, beginning of period |  | (101,000)
Additional paid-in capital |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |
Balance, beginning of period | 2,388,783,000 | 3,760,029,000
Non-cash stock compensation | 2,762,000 | 1,576,000
Exercise of stock options and vesting of restricted stock, net of shares withheld to satisfy tax withholding | 10,716,000 | (1,223,000)
Equitable adjustments to stock-based awards | (189,000) |
Balance, end of period | 2,402,072,000 | 3,760,362,000
Retained Earnings (Accumulated Deficit) |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |
Balance, beginning of period | 15,523,000 | (176,822,000)
Net loss | (44,211,000) | (164,928,000)
Balance, end of period | (28,688,000) | (341,851,000)
Retained Earnings (Accumulated Deficit) | Revision of Prior Period, Accounting Standards Update, Adjustment |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |
Balance, beginning of period |  | (101,000)
Accumulated other comprehensive (loss) income |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |
Balance, beginning of period | (520,204,000) | (941,986,000)
Foreign currency translation adjustment, net of tax of $0 | 49,573,000 | (59,743,000)
Minimum pension liability adjustment, net of tax of $0 | 14,000 | (168,000)
Balance, end of period | (470,617,000) | (1,001,897,000)
Treasury stock at cost |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |
Balance, beginning of period | $ (744,174,000) | (365,316,000)
Purchase of treasury stock at cost (in shares) | (9,485,000) |
Purchase of treasury stock at cost | $ (112,874,000) | (145,806,000)
Balance, end of period | (857,048,000) | (511,122,000)
Non-controlling interests |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |
Balance, beginning of period | (1,285,000) | (12,882,000)
Net loss | (469,000) | (15,000)
Foreign currency translation adjustment, net of tax of $0 | 2,000 | (18,000)
Balance, end of period | $ (1,752,000) | $ (12,915,000)
Common Class A |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |
Balance of shares outstanding, beginning of period (in shares) | 180,611,000 |
Balance of shares outstanding, end of period (in shares) | 172,505,000 |
Common Class A | Common Stock |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |
Balance of shares outstanding, beginning of period (in shares) | 180,611,000 | 115,119,000
Balance, beginning of period | $ 915,000 | $ 548,000
Conversion of Class B shares to Class A shares (in shares) |  | (17,248,000)
Conversion of Class B shares to Class A shares |  | $ 69,000
Purchase of treasury stock at cost (in shares) | (9,485,000) | (10,401,000)
Exercise of stock options and vesting of restricted stock, net of shares withheld to satisfy tax withholding (in shares) | 1,379,000 | 247,000
Exercise of stock options and vesting of restricted stock, net of shares withheld to satisfy tax withholding | $ 6,000 | $ 1,000
Balance of shares outstanding, end of period (in shares) | 172,505,000 | 122,213,000
Balance, end of period | $ 921,000 | $ 618,000
Common Class B | Common Stock |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |
Balance of shares outstanding, beginning of period (in shares) |  | 90,792,000
Balance, beginning of period |  | $ 363,000
Conversion of Class B shares to Class A shares (in shares) |  | (17,248,000)
Conversion of Class B shares to Class A shares |  | $ (69,000)
Balance of shares outstanding, end of period (in shares) |  | 73,544,000
Balance, end of period |  | $ 294,000
Accretion of redeemable noncontrolling interests and equity |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |
Accretion of redeemable noncontrolling interests and equity |  | (20,000)
Accretion of redeemable noncontrolling interests and equity | Additional paid-in capital |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |
Accretion of redeemable noncontrolling interests and equity |  | $ (20,000)

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