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v3.19.3.a.u2

Consolidated Statements Of Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands | Common Stock [Member] | Additional Paid-In Capital [Member] | Treasury Stock [Member] | Retained Earnings [Member] | Available-for-sale-securities [Member] | Foreign Currency Translation [Member] | Total
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2016 | $ 358 | $ 1,238,875 | $ (2,049,389) | $ 2,220,811 | $ (120) | $ (8,042) | $ 1,402,493
Balance, Shares at Dec. 31, 2016 | 35,833 |  | 7,019 |  |  |  |
Stock-based compensation | $ 0 | 66,396 | $ 0 | 0 | 0 | 0 | 66,396
Stock-based compensation, Shares | 0 |  | 0 |  |  |  |
Stock plan transactions and other | $ 1 | (181) | $ 0 | 0 | 0 | 0 | (180)
Stock plan transactions and other, Shares | 19 |  | 0 |  |  |  |
Acquisition of treasury stock (value) | $ 0 | 0 | $ (285,020) | 0 | 0 | 0 | (285,020)
Acquisition of treasury stock (shares) | 0 |  | 807 |  |  |  |
Net income | $ 0 | 0 | $ 0 | 176,253 | 0 | 0 | 176,253
Other comprehensive income (loss), net of income taxes | 0 | 0 | 0 | 0 | (186) | 4,689 | 4,503
Balance at Dec. 31, 2017 | $ 359 | 1,305,090 | $ (2,334,409) | 2,397,064 | (306) | (3,353) | 1,364,445
Balance, Shares at Dec. 31, 2017 | 35,852 |  | 7,826 |  |  |  |
Stock-based compensation | $ 0 | 69,947 | $ 0 | 0 | 0 | 0 | 69,947
Stock-based compensation, Shares | 0 |  | 0 |  |  |  |
Stock plan transactions and other | $ 1 | (883) | $ 0 | 0 | 0 | 0 | (882)
Stock plan transactions and other, Shares | 121 |  | 0 |  |  |  |
Acquisition of treasury stock (value) | $ 0 | 0 | $ (166,147) | 0 | 0 | 0 | (166,147)
Acquisition of treasury stock (shares) | 0 |  | 450 |  |  |  |
Net income | $ 0 | 0 | $ 0 | 176,553 | 0 | 0 | 176,553
Other comprehensive income (loss), net of income taxes | 0 | 0 | 0 | 0 | 159 | (2,736) | (2,577)
Balance at Dec. 31, 2018 | $ 360 | 1,374,154 | $ (2,500,556) | 2,573,617 | (147) | (6,089) | 1,441,339
Balance, Shares at Dec. 31, 2018 | 35,973 |  | 8,276 |  |  |  |
Stock-based compensation | $ 0 | 92,062 | $ 0 | 0 | 0 | 0 | 92,062
Stock-based compensation, Shares | 0 |  | 0 |  |  |  |
Stock plan transactions and other | $ 3 | (519) | $ 0 | 0 | 0 | 0 | (516)
Stock plan transactions and other, Shares | 350 |  | 0 |  |  |  |
Acquisition of treasury stock (value) | $ 0 | 0 | $ (198,563) | 0 | 0 | 0 | (198,563)
Acquisition of treasury stock (shares) | 0 |  | 292 |  |  |  |
Net income | $ 0 | 0 | $ 0 | 350,158 | 0 | 0 | 350,158
Other comprehensive income (loss), net of income taxes | 0 | 0 | 0 | 0 | 147 | 726 | 873
Balance at Dec. 31, 2019 | $ 363 | 1,465,697 | $ (2,699,119) | 2,921,448 | 0 | (5,363) | 1,683,026
Balance, Shares at Dec. 31, 2019 | 36,323 |  | 8,568 |  |  |  |
Adoption of ASU No. 2016-02, Leases (Topic 842) | $ 0 | $ 0 | $ 0 | $ (2,327) | $ 0 | $ 0 | $ (2,327)

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