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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Retained Earnings (Accumulated Deficit) [Member]
--- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2019 | $ 1,264,026 | $ 50 | $ 1,269,437 | $ (598) | $ (4,863)
Balance, Shares at Dec. 31, 2019 |  | 50,184 |  |  |
Repurchase of common stock | (33,614) | $ (1) | (33,613) |  |
Repurchase of common stock, Shares |  | (1,250) |  |  |
Net income (loss) | (4,404) |  |  |  | (4,404)
Share-based compensation | 3,955 |  | 3,955 |  |
Issuance of shares through share-based compensation plans | 164 |  | 164 |  |
Issuance of shares through share-based compensation plans, Shares |  | 240 |  |  |
Share-based compensation plan withholdings | (1,565) |  | (1,565) |  |
Share-based compensation plan withholdings, Shares |  | (42) |  |  |
Currency translation | (2,231) |  |  | (2,231) |
Unrealized gain (loss) on investments | (526) |  |  | (526) |
Balance at Mar. 28, 2020 | 1,225,805 | $ 49 | 1,238,378 | (3,355) | (9,267)
Balance, shares at Mar. 28, 2020 |  | 49,132 |  |  |
Balance at Dec. 31, 2019 | 1,264,026 | $ 50 | 1,269,437 | (598) | (4,863)
Balance, Shares at Dec. 31, 2019 |  | 50,184 |  |  |
Net income (loss) | 3,020 |  |  |  |
Currency translation | 264 |  |  |  |
Balance at Jun. 27, 2020 | 1,221,209 | $ 49 | 1,223,068 | (65) | (1,843)
Balance, shares at Jun. 27, 2020 |  | 48,724 |  |  |
Balance at Mar. 28, 2020 | 1,225,805 | $ 49 | 1,238,378 | (3,355) | (9,267)
Balance, Shares at Mar. 28, 2020 |  | 49,132 |  |  |
Repurchase of common stock | (18,385) |  | (18,385) |  |
Repurchase of common stock, Shares |  | (632) |  |  |
Net income (loss) | 7,424 |  |  |  | 7,424
Share-based compensation | 4,775 |  | 4,775 |  |
Issuance of shares through share-based compensation plans | 15 |  | 15 |  |
Issuance of shares through share-based compensation plans, Shares |  | 279 |  |  |
Share-based compensation plan withholdings | (1,715) |  | (1,715) |  |
Share-based compensation plan withholdings, Shares |  | 55 |  |  |
Currency translation | 2,495 |  |  | 2,495 |
Unrealized gain (loss) on investments | 795 |  |  | 795 |
Balance at Jun. 27, 2020 | 1,221,209 | $ 49 | 1,223,068 | (65) | (1,843)
Balance, shares at Jun. 27, 2020 |  | 48,724 |  |  |
Balance at Dec. 26, 2020 | 1,264,746 | $ 49 | 1,233,967 | 4,568 | 26,162
Balance, Shares at Dec. 26, 2020 |  | 48,758 |  |  |
Net income (loss) | 24,113 |  |  |  | 24,113
Share-based compensation | 4,890 |  | 4,890 |  |
Issuance of shares through share-based compensation plans | 3,085 |  | 3,085 |  |
Issuance of shares through share-based compensation plans, Shares |  | 240 |  |  |
Share-based compensation plan withholdings | (2,492) |  | (2,492) |  |
Share-based compensation plan withholdings, Shares |  | (41) |  |  |
Currency translation | (1,899) |  |  | (1,899) |
Unrealized gain (loss) on investments | (131) |  |  | (131) |
Balance at Mar. 27, 2021 | 1,292,312 | $ 49 | 1,239,450 | 2,538 | 50,275
Balance, shares at Mar. 27, 2021 |  | 48,957 |  |  |
Balance at Dec. 26, 2020 | 1,264,746 | $ 49 | 1,233,967 | 4,568 | 26,162
Balance, Shares at Dec. 26, 2020 |  | 48,758 |  |  |
Net income (loss) | 59,164 |  |  |  |
Currency translation | (1,362) |  |  |  |
Balance at Jun. 26, 2021 | 1,329,563 | $ 49 | 1,241,680 | 2,508 | 85,326
Balance, shares at Jun. 26, 2021 |  | 49,189 |  |  |
Balance at Mar. 27, 2021 | 1,292,312 | $ 49 | 1,239,450 | 2,538 | 50,275
Balance, Shares at Mar. 27, 2021 |  | 48,957 |  |  |
Net income (loss) | 35,051 |  |  |  | 35,051
Share-based compensation | 6,107 |  | 6,107 |  |
Issuance of shares through share-based compensation plans | 130 |  | 130 |  |
Issuance of shares through share-based compensation plans, Shares |  | 288 |  |  |
Share-based compensation plan withholdings | (4,007) |  | (4,007) |  |
Share-based compensation plan withholdings, Shares |  | 56 |  |  |
Currency translation | 537 |  |  | 537 |
Unrealized gain (loss) on investments | (567) |  |  | (567) |
Balance at Jun. 26, 2021 | $ 1,329,563 | $ 49 | $ 1,241,680 | $ 2,508 | $ 85,326
Balance, shares at Jun. 26, 2021 |  | 49,189 |  |  |

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