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Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Total | Common Stock [Member] | Additional Paid-In Capital [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Income/(Loss) [Member]
--- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2016 |  | $ 1,241,792 | $ 113 | $ 777,482 | $ 494,744 | $ (30,547)
Beginning Balance, Shares at Dec. 31, 2016 |  |  | 53,672,861 |  |  |
Net issuance under stock-based plans |  | (12,216) |  | (12,216) |  |
Net issuance under stock-based plans, Shares |  |  | 682,674 |  |  |
Stock-based compensation |  | 24,378 |  | 24,378 |  |
Cash dividend |  | (38,178) |  |  | (38,178) |
Comprehensive income (net of tax): |  |  |  |  |  |
Net income |  | 339,132 |  |  | 339,132 |
Other comprehensive gain (loss) |  | 33,999 |  |  |  | 33,999
Ending Balance at Dec. 31, 2017 |  | 1,588,907 | $ 113 | 789,644 | 795,698 | 3,452
Ending Balance, Shares at Dec. 31, 2017 |  |  | 54,355,535 |  |  |
Net issuance under stock-based plans |  | (11,104) |  | (11,104) |  |
Net issuance under stock-based plans, Shares |  |  | 502,150 |  |  |
Stock-based compensation |  | 27,262 |  | 27,262 |  |
Cash dividend |  | (42,405) |  |  | (42,405) |
Stock repurchase |  | (75,000) |  | (11,870) | (63,130) |
Stock repurchase, Shares |  |  | (818,131) |  |  |
Comprehensive income (net of tax): |  |  |  |  |  |
Net income |  | 392,896 |  |  | 392,896 |
Other comprehensive gain (loss) |  | (9,107) |  |  |  | (9,107)
Ending Balance at Dec. 31, 2018 |  | 1,873,187 | $ 113 | 793,932 | 1,084,797 | (5,655)
Ending Balance, Shares at Dec. 31, 2018 |  |  | 54,039,554 |  |  |
Accounting standards codification topic 606 adjustment |  | 1,738 |  |  | 1,738 |
Net issuance under stock-based plans |  | (11,010) |  | (11,010) |  |
Net issuance under stock-based plans, Shares |  |  | 556,629 |  |  |
Settlement of share-based compensation awards | [1] | 30,630 |  | 30,630 |  |
Stock-based compensation |  | 50,318 |  | 50,318 |  |
Cash dividend |  | (43,528) |  |  | (43,528) |
Stock dividends accrued |  |  |  | 435 | (435) |
Other |  | (4) |  |  | (4) |
Comprehensive income (net of tax): |  |  |  |  |  |
Net income |  | 140,386 |  |  | 140,386 |
Other comprehensive gain (loss) |  | (16,635) |  |  |  | (16,635)
Ending Balance at Dec. 31, 2019 |  | $ 2,023,344 | $ 113 | $ 864,305 | $ 1,181,216 | $ (22,290)
Ending Balance, Shares at Dec. 31, 2019 |  |  | 54,596,183 |  |  |
[1] | Represents the vested but unissued portion of Electro Scientific Industries, Inc. (“ESI”) share-based compensation awards as of the acquisition date of February 1, 2019 as described further in Note 12.

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