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Accumulated Other Comprehensive Income (Tables) | 3 Months Ended
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Mar. 31, 2021
Accumulated Other Comprehensive Income [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | The following table presents changes in accumulated other comprehensive income (loss) by component for the periods ended March 31, 2021 and 2020:
| Currency Translation Adjustment |  | Net Unrealized Gain (Loss) on Cash Flow Hedging Arrangements, Net of Tax |  | Pension and Post-Retirement Benefit Related Items, Net of Tax |  | Total
Balance at December 31, 2020 | $ | (31,101) |  |  | $ | (1,479) |  |  | $ | (302,345) |  |  | $ | (334,925) |
Other comprehensive income (loss), net of tax: |  |  |  |  |  |  |
Unrealized gains (losses) cash flow hedging arrangements | — |  |  | 8,274 |  |  | — |  |  | 8,274 |
Foreign currency translation adjustment | 3,234 |  |  | — |  |  | 13,988 |  |  | 17,222 |
Amounts recognized from accumulated other comprehensive income (loss), net of tax | — |  |  | (7,467) |  |  | 5,152 |  |  | (2,315) |
Net change in other comprehensive income (loss), net of tax | 3,234 |  |  | 807 |  |  | 19,140 |  |  | 23,181 |
Balance at March 31, 2021 | $ | (27,867) |  |  | $ | (672) |  |  | $ | (283,205) |  |  | $ | (311,744) |
| Currency Translation Adjustment |  | Net Unrealized Gain (Loss) on Cash Flow Hedging Arrangements, Net of Tax |  | Pension and Post-Retirement Benefit Related Items, Net of Tax |  | Total
Balance at December 31, 2019 | $ | (61,015) |  |  | $ | (1,222) |  |  | $ | (261,436) |  |  | $ | (323,673) |
Other comprehensive income (loss), net of tax: |  |  |  |  |  |  |
Unrealized gains (losses) cash flow hedging arrangements | — |  |  | (1,704) |  |  | — |  |  | (1,704) |
Foreign currency translation adjustment | (22,450) |  |  | — |  |  | (5,025) |  |  | (27,475) |
Amounts recognized from accumulated other comprehensive income (loss), net of tax | — |  |  | 1,648 |  |  | 3,503 |  |  | 5,151 |
Net change in other comprehensive income (loss), net of tax | (22,450) |  |  | (56) |  |  | (1,522) |  |  | (24,028) |
Balance at March 31, 2020 | $ | (83,465) |  |  | $ | (1,278) |  |  | $ | (262,958) |  |  | $ | (347,701) |
Disclosure of Reclassification Amount [Text Block] | The following table presents amounts recognized from accumulated other comprehensive income (loss) for the three months ended March 31:
|  | 2021 |  | 2020 |  | Location of Amounts Recognized in Earnings
Effective portion of (gains) losses on cash flow hedging arrangements: |  |  |  |  |  |
Interest rate swap agreements |  | $ | 531 |  |  | $ | 249 |  |  | Interest expense
Cross currency swap |  | (9,708) |  |  | 1,586 |  |  | (a)
Total before taxes |  | (9,177) |  |  | 1,835 |  |  |
Provision for taxes |  | (1,710) |  |  | 187 |  |  | Provision for taxes
Total, net of taxes |  | $ | (7,467) |  |  | $ | 1,648 |  |  |
Recognition of defined benefit pension and post-retirement items: |  |  |  |  |  |
Recognition of actuarial (gains) losses, plan amendments and prior service cost, before taxes |  | $ | 6,529 |  |  | $ | 4,493 |  |  | (b)
Provision for taxes |  | 1,377 |  |  | 990 |  |  | Provision for taxes
Total, net of taxes |  | $ | 5,152 |  |  | $ | 3,503 |  |  |
Schedule of Comprehensive Income (Loss) [Table Text Block] | ACCUMULATED COMPREHENSIVE AND OTHER COMPREHENSIVE INCOME Comprehensive income (loss), net of tax consisted of the following:
| March 31, 2021 |  | March 31, 2020
Net earnings | $ | 149,663 |  |  | $ | 98,115 |
Other comprehensive income (loss), net of tax | 23,181 |  |  | $ | (24,028) |
Comprehensive income, net of tax | $ | 172,844 |  |  | $ | 74,087 |
The following table presents changes in accumulated other comprehensive income (loss) by component for the periods ended March 31, 2021 and 2020:
| Currency Translation Adjustment |  | Net Unrealized Gain (Loss) on Cash Flow Hedging Arrangements, Net of Tax |  | Pension and Post-Retirement Benefit Related Items, Net of Tax |  | Total
Balance at December 31, 2020 | $ | (31,101) |  |  | $ | (1,479) |  |  | $ | (302,345) |  |  | $ | (334,925) |
Other comprehensive income (loss), net of tax: |  |  |  |  |  |  |
Unrealized gains (losses) cash flow hedging arrangements | — |  |  | 8,274 |  |  | — |  |  | 8,274 |
Foreign currency translation adjustment | 3,234 |  |  | — |  |  | 13,988 |  |  | 17,222 |
Amounts recognized from accumulated other comprehensive income (loss), net of tax | — |  |  | (7,467) |  |  | 5,152 |  |  | (2,315) |
Net change in other comprehensive income (loss), net of tax | 3,234 |  |  | 807 |  |  | 19,140 |  |  | 23,181 |
Balance at March 31, 2021 | $ | (27,867) |  |  | $ | (672) |  |  | $ | (283,205) |  |  | $ | (311,744) |
| Currency Translation Adjustment |  | Net Unrealized Gain (Loss) on Cash Flow Hedging Arrangements, Net of Tax |  | Pension and Post-Retirement Benefit Related Items, Net of Tax |  | Total
Balance at December 31, 2019 | $ | (61,015) |  |  | $ | (1,222) |  |  | $ | (261,436) |  |  | $ | (323,673) |
Other comprehensive income (loss), net of tax: |  |  |  |  |  |  |
Unrealized gains (losses) cash flow hedging arrangements | — |  |  | (1,704) |  |  | — |  |  | (1,704) |
Foreign currency translation adjustment | (22,450) |  |  | — |  |  | (5,025) |  |  | (27,475) |
Amounts recognized from accumulated other comprehensive income (loss), net of tax | — |  |  | 1,648 |  |  | 3,503 |  |  | 5,151 |
Net change in other comprehensive income (loss), net of tax | (22,450) |  |  | (56) |  |  | (1,522) |  |  | (24,028) |
Balance at March 31, 2020 | $ | (83,465) |  |  | $ | (1,278) |  |  | $ | (262,958) |  |  | $ | (347,701) |
The following table presents amounts recognized from accumulated other comprehensive income (loss) for the three months ended March 31:
|  | 2021 |  | 2020 |  | Location of Amounts Recognized in Earnings
Effective portion of (gains) losses on cash flow hedging arrangements: |  |  |  |  |  |
Interest rate swap agreements |  | $ | 531 |  |  | $ | 249 |  |  | Interest expense
Cross currency swap |  | (9,708) |  |  | 1,586 |  |  | (a)
Total before taxes |  | (9,177) |  |  | 1,835 |  |  |
Provision for taxes |  | (1,710) |  |  | 187 |  |  | Provision for taxes
Total, net of taxes |  | $ | (7,467) |  |  | $ | 1,648 |  |  |
Recognition of defined benefit pension and post-retirement items: |  |  |  |  |  |
Recognition of actuarial (gains) losses, plan amendments and prior service cost, before taxes |  | $ | 6,529 |  |  | $ | 4,493 |  |  | (b)
Provision for taxes |  | 1,377 |  |  | 990 |  |  | Provision for taxes
Total, net of taxes |  | $ | 5,152 |  |  | $ | 3,503 |  |  |
(a)The cross currency swap reflects an unrealized gain of $9.3 million recorded in other charges (income) that was offset by the underlying unrealized gain the hedged debt for the three months ended March 31, 2021. The cross currency swap also reflects a realized gain of $0.4 million recorded in interest expense for the three months ended March 31, 2021. (b)These accumulated other comprehensive income (loss) components are included in the computation of net periodic pension and post-retirement cost. See Note 12 for additional details for the three months ended March 31, 2021 and 2020.

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- Definition Accumulated Other Comprehensive Income [Abstract] + References No definition available. + Details
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- Definition The entire disclosure for any adjustments made during the period to avoid double counting in comprehensive income items displayed as part of net income that also had been displayed as part of other comprehensive income in that period or earlier periods. These adjustments include reclassifications to net income of items in accumulated comprehensive income, such as deferred gains or losses on qualifying hedges when hedged item reported in net income, holding gains or losses on available-for-sale securities transferred into trading category, unrealized holding gains or losses on debt securities transferred from held-to-maturity category into available-for-sale category and accumulated translation adjustment attributable to foreign subsidiary or investment in foreign entity upon sale or liquidation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 + Details
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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
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- Definition Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e526-108580 + Details
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