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Summary Of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2023
Accounting Policies [Abstract]  
Schedule Of Diluted Earnings Per Share Computed Using Weighted Average Common And Potentially Dilutive Common Equivalent Shares Outstanding Diluted earnings per share is computed using the weighted average common and potentially dilutive common equivalent shares outstanding, determined as follows:
202320222021
Weighted average shares outstanding used to compute basic earnings per share34,133,078 33,805,530 33,562,684 
Incremental shares attributable to stock options and restricted stock 20,900 107,566 
Shares used to compute diluted earnings per share34,133,078 33,826,430 33,670,250 
Schedule of Accumulated Other Comprehensive Income (Loss)
The changes in accumulated other comprehensive income (loss) by component are summarized as follows:
(In thousands)Foreign Currency TranslationGain (Loss) on Derivative Financial InstrumentsPension & Other Postretirement Benefit AdjustTotal Accumulated Other Comprehensive Income (Loss)
Balance at January 1, 2021$(84,149)$2,264 $(96,519)$(178,404)
Other comprehensive income (loss)(2,008)3,800 23,932 25,724 
Income tax (expense) benefit365 (842)(5,212)(5,689)
Other comprehensive income (loss), net of tax(1,643)2,958 18,720 20,035 
Reclassification adjustment to net income (loss)— (5,513)16,862 11,349 
Income tax (expense) benefit— 1,192 (3,676)(2,484)
Reclassification adjustment to net income (loss), net of tax— (4,321)13,186 8,865 
Other comprehensive income (loss), net of tax(1,643)(1,363)31,906 28,900 
Balance at December 31, 2021(85,792)901 (64,613)(149,504)
Other comprehensive income (loss)(1,256)(6,464)(7,717)
Income tax (expense) benefit(290)(374)1,400 736 
Other comprehensive income (loss), net of tax(287)(1,630)(5,064)(6,981)
Reclassification adjustment to net income (loss)— (2,461)13,606 11,145 
Income tax (expense) benefit— 710 (2,965)(2,255)
Reclassification adjustment to net income (loss), net of tax— (1,751)10,641 8,890 
Other comprehensive income (loss), net of tax(287)(3,381)5,577 1,909 
Balance at December 31, 2022(86,079)(2,480)(59,036)(147,595)
Other comprehensive income (loss)3,511 11,794 1,935 17,240 
Income tax (expense) benefit(469)(2,977)(422)(3,868)
Other comprehensive income (loss), net of tax3,042 8,817 1,513 13,372 
Reclassification adjustment to net income (loss) (7,580)101,323 93,743 
Income tax (expense) benefit 2,044 (43,261)(41,217)
Reclassification adjustment to net income (loss), net of tax (5,536)58,062 52,526 
Other comprehensive income (loss), net of tax3,042 3,281 59,575 65,898 
Balance at December 31, 2023$(83,037)$801 $539 $(81,697)