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Reclassifications out of Accumulated Other Comprehensive Income (Loss) (Notes) | 9 Months Ended
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Sep. 30, 2024
Reclassifications out of Accumulated Other Comprehensive Income (Loss) [Abstract] |
Disclosure of Reclassification Amount [Text Block] | 8. RECLASSIFICATIONS OUT OF ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (AOCI) Reclassification adjustments and other activity impacting accumulated other comprehensive income (loss) during the three and nine months ended September 30, 2024 and September 30, 2023 are as follows (in millions):
|  | Defined Benefit Plans |  | Foreign Currency Translation Adjustments |  | Unrecognized Gain (Loss) on Hedges |  | Total
| Balance at June 30, 2024 | $ | (146.5) |  |  | $ | (171.9) |  |  | $ | 16.5 |  |  | $ | (301.9) |
| Other comprehensive income (loss) before reclassifications | — |  |  | 21.6 |  |  | (39.0) |  |  | (17.4) |
| Income tax effect of other comprehensive income (loss) before reclassifications | — |  |  | — |  |  | 8.3 |  |  | 8.3 |
| Amounts reclassified from accumulated other comprehensive income (loss) | (0.9) |  | (a) | — |  |  | 4.2 |  | (b) | 3.3 |
| Income taxes reclassified into net income | 0.3 |  |  | — |  |  | (1.7) |  |  | (1.4) |
| Net change in accumulated other comprehensive income (loss) | (0.6) |  |  | 21.6 |  |  | (28.2) |  |  | (7.2) |
| Balance at September 30, 2024 | $ | (147.1) |  |  | $ | (150.3) |  |  | $ | (11.7) |  |  | $ | (309.1) |
|  | Defined Benefit Plans |  | Foreign Currency Translation Adjustments |  | Unrecognized Gain (Loss) on Hedges |  | Total
| Balance at June 30, 2023 | $ | (148.3) |  |  | $ | (145.6) |  |  | $ | 41.0 |  |  | $ | (252.9) |
| Other comprehensive income (loss) before reclassifications | — |  |  | (16.1) |  |  | 14.9 |  |  | (1.2) |
| Income tax effect of other comprehensive income (loss) before reclassifications | — |  |  | — |  |  | (3.3) |  |  | (3.3) |
| Amounts reclassified from accumulated other comprehensive income (loss) | (1.3) |  | (a) | — |  |  | (13.3) |  | (b) | (14.6) |
| Income taxes reclassified into net loss | 0.2 |  |  | — |  |  | 1.7 |  |  | 1.9 |
| Net change in accumulated other comprehensive income (loss) | (1.1) |  |  | (16.1) |  |  | — |  |  | (17.2) |
| Balance at September 30, 2023 | $ | (149.4) |  |  | $ | (161.7) |  |  | $ | 41.0 |  |  | $ | (270.1) |
(a) | These amounts were reclassified from AOCI to Other income (expense), net for the three months ended September 30, 2024 and September 30, 2023.
(b) | The amounts reclassified from AOCI included $(2.0) million in cost of goods sold (COGS), $(1.2) million in interest expense and $7.4 million in Other income (expense), net for the three months ended September 30, 2024 and $(5.5) million in COGS, $(1.1) million in interest expense and $(6.7) million in Other income (expense), net for the three months ended September 30, 2023.
|  | Defined Benefit Plans |  | Foreign Currency Translation Adjustments |  | Unrecognized Gain (Loss) on Hedges |  | Total
| Balance at December 31, 2023 | $ | (145.3) |  |  | $ | (142.3) |  |  | $ | 24.7 |  |  | $ | (262.9) |
| Other comprehensive loss before reclassifications | — |  |  | (8.0) |  |  | (28.0) |  |  | (36.0) |
| Income tax effect of other comprehensive loss before reclassifications | — |  |  | — |  |  | 5.9 |  |  | 5.9 |
| Amounts reclassified from accumulated other comprehensive income (loss) | (2.7) |  | (a) | — |  |  | (14.6) |  | (b) | (17.3) |
| Income taxes reclassified into net income | 0.9 |  |  | — |  |  | 0.3 |  |  | 1.2 |
| Net change in accumulated other comprehensive income (loss) | (1.8) |  |  | (8.0) |  |  | (36.4) |  |  | (46.2) |
| Balance at September 30, 2024 | $ | (147.1) |  |  | $ | (150.3) |  |  | $ | (11.7) |  |  | $ | (309.1) |
| Defined Benefit Plans |  | Foreign Currency Translation Adjustments |  | Unrecognized Gain (Loss) on Hedges |  | Total
Balance at December 31, 2022 | $ | (146.9) |  |  | $ | (149.7) |  |  | $ | 21.2 |  |  | $ | (275.4) |
Other comprehensive income (loss) before reclassifications | — |  |  | (12.0) |  |  | 42.0 |  |  | 30.0 |
Income tax effect of other comprehensive income (loss) before reclassifications | — |  |  | — |  |  | (4.3) |  |  | (4.3) |
Amounts reclassified from accumulated other comprehensive income (loss) | (3.6) |  | (a) | — |  |  | (18.9) |  | (b) | (22.5) |
Income taxes reclassified into net loss | 1.1 |  |  | — |  |  | 1.0 |  |  | 2.1 |
Net change in accumulated other comprehensive income (loss) | (2.5) |  |  | (12.0) |  |  | 19.8 |  |  | 5.3 |
Balance at September 30, 2023 | $ | (149.4) |  |  | $ | (161.7) |  |  | $ | 41.0 |  |  | $ | (270.1) |
(a) | These amounts were reclassified from AOCI to Other income (expense), net for the nine months ended September 30, 2024 and September 30, 2023.
(b) | The amounts reclassified from AOCI included $(12.4) million in cost of goods sold (COGS), $(2.6) million in interest expense and $0.4 million in Other income (expense), net for the nine months ended September 30, 2024 and $(14.3) million in COGS, $(1.9) million in interest expense and $(2.7) million in Other income (expense), net for the nine months ended September 30, 2023.

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- Definition Reclassifications out of Accumulated Other Comprehensive Income (Loss) [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 -Topic 220 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/220/tableOfContent + Details
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