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v3.21.2

Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands | Common Stock [Member] Class A [Member] | Additional Paid-in Capital [Member] | Treasury Stock [Member] | Accumulated Other Comprehensive Loss [Member] | Retained Earnings [Member] | Total
--- | --- | --- | --- | --- | --- | ---
Balance at beginning of period at Dec. 31, 2019 | $ 91 | $ 557,544 | $ (1,324,826) | $ (85,292) | $ 1,727,772 | $ 875,289
Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 0 | 0 | 0 | 0 | 117,888 | 117,888
Other comprehensive (loss) income, net of tax | 0 | 0 | 0 | 2,184 | 0 | 2,184
Repurchase of Class A common stock (Note 6) | 0 | 0 | (127,361) | 0 | 0 | (127,361)
Exercise of employee stock options/vesting of stock awards | 0 | (2,492) | 5,813 | 0 | 0 | 3,321
Stock-based compensation | 0 | 15,439 | 0 | 0 | 0 | 15,439
Cash dividends | 0 | 0 | 0 | 0 | (59,287) | (59,287)
Balance at end of period at Sep. 30, 2020 | 91 | 570,491 | (1,446,374) | (83,108) | 1,786,373 | 827,473
Balance at beginning of period at Jun. 30, 2020 | 91 | 563,115 | (1,427,064) | (93,441) | 1,749,311 | 792,012
Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 0 | 0 | 0 | 0 | 56,307 | 56,307
Other comprehensive (loss) income, net of tax | 0 | 0 | 0 | 10,333 | 0 | 10,333
Repurchase of Class A common stock (Note 6) | 0 | 0 | (19,994) | 0 | 0 | (19,994)
Exercise of employee stock options/vesting of stock awards | 0 | 261 | 684 | 0 | 0 | 945
Stock-based compensation | 0 | 7,115 | 0 | 0 | 0 | 7,115
Cash dividends | 0 | 0 | 0 | 0 | (19,245) | (19,245)
Balance at end of period at Sep. 30, 2020 | 91 | 570,491 | (1,446,374) | (83,108) | 1,786,373 | 827,473
Balance at beginning of period at Dec. 31, 2020 | 91 | 579,801 | (1,461,593) | (64,768) | 1,840,740 | 894,271
Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 0 | 0 | 0 | 0 | 156,497 | 156,497
Other comprehensive (loss) income, net of tax | 0 | 0 | 0 | (10,890) | 0 | (10,890)
Repurchase of Class A common stock (Note 6) | 0 | 0 | (70,415) | 0 | 0 | (70,415)
Exercise of employee stock options/vesting of stock awards | 0 | (5,599) | 13,473 | 0 | 0 | 7,874
Stock-based compensation | 0 | 16,476 | 0 | 0 | 0 | 16,476
Cash dividends | 0 | 0 | 0 | 0 | (57,336) | (57,336)
Balance at end of period at Sep. 30, 2021 | 91 | 590,678 | (1,518,535) | (75,658) | 1,939,901 | 936,477
Balance at beginning of period at Jun. 30, 2021 | 91 | 586,976 | (1,509,867) | (68,553) | 1,909,179 | 917,826
Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 0 | 0 | 0 | 0 | 49,729 | 49,729
Other comprehensive (loss) income, net of tax | 0 | 0 | 0 | (7,105) | 0 | (7,105)
Repurchase of Class A common stock (Note 6) | 0 | 0 | (10,005) | 0 | 0 | (10,005)
Exercise of employee stock options/vesting of stock awards | 0 | 609 | 1,337 | 0 | 0 | 1,946
Stock-based compensation | 0 | 3,093 | 0 | 0 | 0 | 3,093
Cash dividends | 0 | 0 | 0 | 0 | (19,007) | (19,007)
Balance at end of period at Sep. 30, 2021 | $ 91 | $ 590,678 | $ (1,518,535) | $ (75,658) | $ 1,939,901 | $ 936,477

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X
- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
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