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v3.20.2

CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) shares in Thousands, $ in Thousands | Common Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Other Comprehensive, Net Income [Member] | Retained Earnings [Member] | Treasury Stock [Member] | Noncontrolling Interests [Member] | Total
--- | --- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2018 | $ 6,547 | $ 823,347 | $ (33,511) | $ 2,723,592 | $ (306,788) | $ 3,114 | $ 3,216,301
Beginning balance (in shares) at Dec. 31, 2018 | 65,472 |  |  |  | (5,608) |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Stock option exercises | $ 0 | 52 | 0 | 0 | $ 1,364 | 0 | 1,416
Stock option exercises (in shares) | 0 |  |  |  | 25 |  |
Issuance of stock for equity awards, net of forfeitures | $ 0 | (802) | 0 | 0 | $ 802 | 0 | 0
Issuance of stock for equity awards, net of forfeitures (in shares) | 0 |  |  |  | 14 |  |
Tax withholdings on equity award vesting | $ 0 | 0 | 0 | 0 | $ (2,003) | 0 | (2,003)
Tax withholdings on equity award vesting (in shares) | 0 |  |  |  | (30) |  |
Amortization of unearned share-based compensation | $ 0 | 4,900 | 0 | 0 | $ 0 | 0 | 4,900
Total comprehensive income (loss), net of taxes | 0 | 0 | 540 | 44,296 | 0 | 161 | 44,997
Return of investment to noncontrolling interests | 0 | 0 | 0 | 0 | 0 | (203) | (203)
Ending balance at Mar. 31, 2019 | $ 6,547 | 827,497 | (32,971) | 2,767,888 | $ (306,625) | 3,072 | 3,265,408
Ending balance (in shares) at Mar. 31, 2019 | 65,472 |  |  |  | (5,599) |  |
Beginning balance at Dec. 31, 2019 | $ 6,547 | 835,899 | (37,799) | 2,865,939 | $ (301,963) | 2,969 | 3,371,592
Beginning balance (in shares) at Dec. 31, 2019 | 65,472 |  |  |  | (5,513) |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Stock option exercises |  | 26 | 0 | 0 | $ 327 | 0 | 353
Stock option exercises (in shares) | 0 |  |  |  | 15 |  |
Issuance of stock for equity awards, net of forfeitures |  | (3,377) | 0 | 0 | $ 3,377 | 0 | 0
Issuance of stock for equity awards, net of forfeitures (in shares) | 0 |  |  |  | 61 |  |
Tax withholdings on equity award vesting |  | 0 | 0 | 0 | $ (3,165) | 0 | (3,165)
Tax withholdings on equity award vesting (in shares) |  |  |  |  | (38) |  |
Amortization of unearned share-based compensation | $ 0 | 5,331 | 0 | 0 | $ 0 | 0 | 5,331
Total comprehensive income (loss), net of taxes | 0 | 0 | (1,192) | (347,241) | 0 | 278 | (348,155)
Return of investment to noncontrolling interests | 0 | 0 | 0 | 0 | 0 | (202) | (202)
Ending balance at Mar. 31, 2020 | $ 6,547 | $ 837,879 | $ (38,991) | $ 2,518,698 | $ (301,424) | $ 3,045 | $ 3,025,754
Ending balance (in shares) at Mar. 31, 2020 | 65,472 |  |  |  | (5,475) |  |

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