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Shareholders' Equity - Changes in Shareholders' Equity (Details) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Changes in shareholders' equity that are attributable to the Company's shareholders and to non controlling interests |  |  |
Beginning Balance |  | $ 1,290,314 | $ 1,165,088
Proceeds from exercise of stock options |  | $ 529 | 49
Proceeds from exercise of stock options (shares) |  | 73 |
Stock-based compensation expense |  | $ 5,656 | 5,578
Shares withheld for net settlements of share - based awards | [1] | (7,412) | (3,445)
Issuance of common stock - ESPP |  | 36 | 41
Sale of treasury shares | [2] |  | 5,750
Net income (loss) |  | 22,659 | 27,994
Other comprehensive income (loss) |  | (3,161) | (2,006)
Ending Balance |  | 1,308,621 | 1,199,049
Common shares |  |  |
Changes in shareholders' equity that are attributable to the Company's shareholders and to non controlling interests |  |  |
Beginning Balance |  | $ 1,303 | $ 1,289
Beginning Balance (shares) |  | 126,087 | 124,061
Proceeds from exercise of stock options |  | $ 1 |
Proceeds from exercise of stock options (shares) |  | 73 | 7
Restricted stock granted |  | $ 9 | $ 16
Restricted stock granted (shares) |  | 929 | 1,641
Restricted stock canceled (shares) |  | (20) | (18)
Shares withheld for net settlements of share - based awards | [1] | $ (6) | $ (4)
Shares withheld for net settlements of share-based awards (shares) | [1] | (615) | (383)
Issuance of common stock - ESPP |  |  | $ 1
Issuance of common stock (ESPP) (in shares) |  | 3 | 5
Sale of treasury shares (in shares) | [2] |  | 642
Ending Balance |  | $ 1,307 | $ 1,302
Ending Balance (shares) |  | 126,457 | 125,955
Additional Paid-In Capital |  |  |
Changes in shareholders' equity that are attributable to the Company's shareholders and to non controlling interests |  |  |
Beginning Balance |  | $ 1,299,193 | $ 1,291,363
Proceeds from exercise of stock options |  | 528 | 49
Stock-based compensation expense |  | 5,656 | 5,578
Restricted stock granted |  | (9) | (16)
Shares withheld for net settlements of share - based awards | [1] | (7,406) | (3,441)
Issuance of common stock - ESPP |  | 36 | 40
Sale of treasury shares | [2] |  | (4,174)
Ending Balance |  | 1,297,998 | 1,289,399
Retained Earnings (Accumulated Deficit) |  |  |
Changes in shareholders' equity that are attributable to the Company's shareholders and to non controlling interests |  |  |
Beginning Balance |  | 103,089 | (4,236)
Net income (loss) |  | 22,668 | 28,003
Ending Balance |  | 125,757 | 23,767
Accumulated Other Comprehensive Loss |  |  |
Changes in shareholders' equity that are attributable to the Company's shareholders and to non controlling interests |  |  |
Beginning Balance |  | (16,642) | (16,919)
Other comprehensive income (loss) |  | (3,173) | (2,016)
Ending Balance |  | (19,815) | (18,935)
Treasury shares |  |  |
Changes in shareholders' equity that are attributable to the Company's shareholders and to non controlling interests |  |  |
Beginning Balance |  | $ (95,175) | $ (105,099)
Beginning Balance (shares) |  | 4,210 | 4,852
Sale of treasury shares | [2] |  | $ 9,924
Sale of treasury shares (in shares) | [2] |  | (642)
Ending Balance |  | $ (95,175) | $ (95,175)
Ending Balance (shares) |  | 4,210 | 4,210
Noncontrolling Interests |  |  |
Changes in shareholders' equity that are attributable to the Company's shareholders and to non controlling interests |  |  |
Beginning Balance |  | $ (1,454) | $ (1,310)
Net income (loss) |  | (9) | (9)
Other comprehensive income (loss) |  | 12 | 10
Ending Balance |  | $ (1,451) | $ (1,309)
[1] | The Company withheld shares through net settlements to satisfy statutory tax withholding requirements upon the vesting of shares of restricted stock held by employees.
[2] | The Company sold treasury shares to partially fund its obligation under its Amended and Restated Executive Retirement Agreement with its Executive Chairman. Refer to Note 13 - Benefit Plans for further information.

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