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v3.19.2

Changes in Shareholders' Equity (Schedule of Activity in Shareholders' Equity) (Details) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Mar. 31, 2019 | Jun. 30, 2018 | Mar. 31, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Balance | $ 626,407 | $ 608,280 | $ 592,578 | $ 573,015 | $ 608,280 | $ 573,015
Adoption of accounting standards |  | 35 |  | (5,395) |  |
Net income | 34,259 | 29,408 | 29,843 | 7,899 | 63,667 | 37,742
Compensation and benefits paid or payable in shares | 1,170 | (547) | 1,047 | 289 |  |
Options exercised | 28 | 44 | 3 | 147 |  |
Dividends declared Class A | (5,523) | (5,231) | (4,935) | (4,933) |  |
Dividends declared Class B | (291) | (582) | (550) | (550) |  |
Cumulative translation adjustments | 1 | (662) | (33,205) | 17,639 |  |
Pension and postretirement liability adjustments | (40) | (1,487) | 2,127 | (13) |  |
Derivative valuation adjustment | (4,695) | (2,851) | 1,722 | 4,480 |  |
Balance | 651,316 | 626,407 | 588,630 | 592,578 | 651,316 | 588,630
Common Class A [Member] |  |  |  |  |  |
Balance | $ 37 | $ 37 | $ 37 | $ 37 | $ 37 | $ 37
Balance, Shares | 37,478 | 37,450 | 37,448 | 37,396 | 37,450 | 37,396
Compensation and benefits paid or payable in shares |  | $ 25 |  | $ 44 |  |
Options exercised | $ 2 | 3 |  | 8 |  |
Conversion of Class B shares to Class A shares, rounding | $ 2 |  |  |  |  |
Conversion of Class B shares to Class A shares, rounding, Shares | 1,616 |  |  |  |  |
Balance | $ 39 | $ 37 | $ 37 | $ 37 | $ 39 | $ 37
Balance, Shares | 39,096 | 37,478 | 37,448 | 37,448 | 39,096 | 37,448
Common Class B [Member] |  |  |  |  |  |
Balance | $ 3 |  | $ 3 | $ 3 |  | $ 3
Balance, Shares | 3,234 | 3,234 | 3,234 | 3,234 | 3,234 | 3,234
Conversion of Class B shares to Class A shares, rounding | $ (1) |  |  |  |  |
Conversion of Class B shares to Class A shares, rounding, Shares | (1,616) |  |  |  |  |
Balance | $ 2 | $ 3 | $ 3 | $ 3 | $ 2 | $ 3
Balance, Shares | 1,618 | 3,234 | 3,234 | 3,234 | 1,618 | 3,234
Additional paid in capital [Member] |  |  |  |  |  |
Balance | $ 430,052 | $ 430,555 | $ 428,859 | $ 428,423 | $ 430,555 | $ 428,423
Compensation and benefits paid or payable in shares | 958 | (547) | 773 | 289 |  |
Options exercised | 28 | 44 | 3 | 147 |  |
Conversion of Class B shares to Class A shares, rounding | (1) |  |  |  |  |
Balance | 431,037 | 430,052 | 429,635 | 428,859 | 431,037 | 429,635
Retained earnings [Member] |  |  |  |  |  |
Balance | 613,057 | 589,645 | 531,193 | 534,082 | 589,645 | 534,082
Adoption of accounting standards |  | 35 |  | (5,068) |  |
Net income | 34,054 | 29,190 | 29,902 | 7,662 |  |
Balance | 641,297 | 613,057 | 555,610 | 531,193 | 641,297 | 555,610
Retained earnings [Member] | Common Class A [Member] |  |  |  |  |  |
Dividends declared Class A | (5,523) | (5,231) | (4,935) | (4,933) |  |
Retained earnings [Member] | Common Class B [Member] |  |  |  |  |  |
Dividends declared Class B | (291) | (582) | (550) | (550) |  |
Total Other Comprehensive Income [Member] |  |  |  |  |  |
Balance | (163,380) | (158,388) | (113,788) | (135,901) | (158,388) | (135,901)
Cumulative translation adjustments | (1) | (654) | (33,216) | 17,646 |  |
Pension and postretirement liability adjustments | (40) | (1,487) | 2,127 | (13) |  |
Derivative valuation adjustment | (4,695) | (2,851) | 1,722 | 4,480 |  |
Balance | (168,116) | (163,380) | (143,155) | (113,788) | (168,116) | (143,155)
Treasury stock [Member] | Common Class A [Member] |  |  |  |  |  |
Balance | $ (256,603) | $ (256,603) | $ (256,876) | $ (256,876) | $ (256,603) | $ (256,876)
Balance, Shares | 8,419 | 8,419 | 8,431 | 8,431 | 8,419 | 8,431
Compensation and benefits paid or payable in shares | $ 212 |  | $ 274 |  |  |
Compensation and benefits paid or payable in shares, Shares | (10) |  |  |  |  |
Shares issued to Directors |  |  | 12 |  |  |
Balance | $ (256,391) | $ (256,603) | $ (256,602) | $ (256,876) | $ (256,391) | $ (256,602)
Balance, Shares | 8,409 | 8,419 | 8,419 | 8,431 | 8,409 | 8,419
Noncontrolling Interest [Member] |  |  |  |  |  |
Balance | $ 3,241 | $ 3,031 | $ 3,150 | $ 3,247 | $ 3,031 | $ 3,247
Adoption of accounting standards |  |  |  | (327) |  |
Net income | 205 | 218 | (59) | 237 |  |
Cumulative translation adjustments | 2 | (8) | 11 | (7) |  |
Balance | $ 3,448 | $ 3,241 | $ 3,102 | $ 3,150 | $ 3,448 | $ 3,102

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