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v3.23.1

Changes in Shareholders' Equity (Schedule of Activity in Shareholders' Equity) (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Oct. 31, 2021
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Balance at beginning of the period | $ 867,543 | $ 877,605 |
Net income | 27,086 | 28,075 |
Compensation and benefits paid or payable in shares | 378 | 745 |
Options exercised |  | 7 |
Purchase of Treasury shares |  | (43,937) |
Cumulative translation adjustments | 14,119 | (1,674) |
Pension and postretirement liability adjustments | (916) | 74 |
Derivative valuation adjustment | (2,902) | 10,018 |
Balance at end of the period | $ 897,515 | $ 864,252 |
Dividends declared per share, Class A and Class B (in dollars per share) | $ 0.25 | $ 0.21 |
Stock repurchase program, authorized amount |  |  | $ 200,000
Common Class A |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Treasury stock, balance at the beginning of the period (in shares) | 9,674,542 |  |
Dividends declared | $ (7,792) | $ (6,661) |
Treasury stock, balance at the end of the period (in shares) | 9,674,542 |  |
Dividends declared per share, Class A and Class B (in dollars per share) | $ 0.25 | $ 0.21 |
Common Class B |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Common stock, balance at the beginning of the period (in shares) | 0 |  |
Common stock, balance at the end of the period (in shares) | 0 |  |
Dividends declared per share, Class A and Class B (in dollars per share) | $ 0.25 | $ 0.21 |
Common Stock | Common Class A |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Common stock, balance at the beginning of the period (in shares) | 40,785,000 | 40,760,000 |
Balance at beginning of the period | $ 41 | $ 41 |
Compensation and benefits paid or payable in shares (in shares) | 58,000 | 21,000 |
Common stock, balance at the end of the period (in shares) | 40,842,000 | 40,781,000 |
Balance at end of the period | $ 41 | $ 41 |
Common Stock | Common Class B |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Common stock, balance at the beginning of the period (in shares) | 0 | 0 |
Balance at beginning of the period | $ 0 | $ 0 |
Common stock, balance at the end of the period (in shares) | 0 | 0 |
Balance at end of the period | $ 0 | $ 0 |
Additional paid-in capital |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Balance at beginning of the period | 441,540 | 436,996 |
Compensation and benefits paid or payable in shares | 378 | 745 |
Options exercised |  | 7 |
Balance at end of the period | 441,917 | 437,748 |
Retained earnings |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Balance at beginning of the period | 931,318 | 863,057 |
Net income | 26,889 | 27,737 |
Balance at end of the period | 950,415 | 884,133 |
Retained earnings | Common Class A |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Dividends declared | (7,792) | (6,661) |
Accumulated items of other comprehensive income |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Balance at beginning of the period | (144,927) | (145,984) |
Cumulative translation adjustments | 13,881 | (1,730) |
Pension and postretirement liability adjustments | (916) | 74 |
Derivative valuation adjustment | (2,902) | 10,018 |
Balance at end of the period | $ (134,864) | $ (137,622) |
Treasury Stock |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Treasury stock, balance at the beginning of the period (in shares) | 9,675,000 | 8,665,000 |
Balance at beginning of the period | $ (364,923) | $ (280,143) |
Purchase of Treasury shares (in shares) |  | 514,686 |
Purchase of Treasury shares |  | $ (43,937) |
Treasury stock, balance at the end of the period (in shares) | 9,675,000 | 9,180,000 |
Balance at end of the period | $ (364,923) | $ (324,080) |
Noncontrolling Interest |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Balance at beginning of the period | 4,494 | 3,638 |
Net income | 197 | 338 |
Cumulative translation adjustments | 238 | 56 |
Balance at end of the period | $ 4,929 | $ 4,032 |

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