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Reclassifications out of Accumulated Other Comprehensive Income (Loss) (Notes) | 6 Months Ended
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Jun. 30, 2021
Reclassifications out of Accumulated Other Comprehensive Income (Loss) [Abstract] |
Disclosure of Reclassification Amount [Text Block] | 12. RECLASSIFICATIONS OUT OF ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (AOCI) Reclassification adjustments and other activity impacting accumulated other comprehensive income (loss) during the three months ended June 30, 2021 and June 30, 2020 are as follows (in millions):
|  | Defined Benefit Plans |  | Foreign Currency Translation Adjustments |  | Unrecognized Gain (Loss) on Cash Flow Hedges |  | Total
| Balance at March 31, 2021 | $ | (308.9) |  |  | $ | (112.1) |  |  | $ | (20.4) |  |  | $ | (441.4) |
| Other comprehensive income (loss) before reclassifications | — |  |  | 12.2 |  |  | 1.8 |  |  | 14.0 |
| Income tax effect of other comprehensive income (loss) before reclassifications | — |  |  | — |  |  | 0.4 |  |  | 0.4 |
| Amounts reclassified from accumulated other comprehensive loss | 2.7 |  | (a) | — |  |  | 4.0 |  | (b) | 6.7 |
| Income taxes reclassified into net income | (0.5) |  |  | — |  |  | (1.1) |  |  | (1.6) |
| Net change in accumulated other comprehensive loss | 2.2 |  |  | 12.2 |  |  | 5.1 |  |  | 19.5 |
| Balance at June 30, 2021 | $ | (306.7) |  |  | $ | (99.9) |  |  | $ | (15.3) |  |  | $ | (421.9) |
|  | Defined Benefit Plans |  | Foreign Currency Translation Adjustments |  | Unrecognized Gain (Loss) on Cash Flow Hedges |  | Total
| Balance at March 31, 2020 | $ | (258.3) |  |  | $ | (149.7) |  |  | $ | (50.4) |  |  | $ | (458.4) |
| Other comprehensive income (loss) before reclassifications | — |  |  | 4.8 |  |  | (0.8) |  |  | 4.0 |
| Income tax effect of other comprehensive income (loss) before reclassifications | — |  |  | — |  |  | 1.2 |  |  | 1.2 |
| Amounts reclassified from accumulated other comprehensive loss | 2.1 |  | (a) | — |  |  | 10.0 |  | (b) | 12.1 |
| Income taxes reclassified into net income | (0.4) |  |  | — |  |  | (1.7) |  |  | (2.1) |
| Net change in accumulated other comprehensive loss | 1.7 |  |  | 4.8 |  |  | 8.7 |  |  | 15.2 |
| Balance at June 30, 2020 | $ | (256.6) |  |  | $ | (144.9) |  |  | $ | (41.7) |  |  | $ | (443.2) |
(a) | These amounts were reclassified from AOCI to Other income (expense), net for the three months ended June 30, 2021 and June 30, 2020.
(b) | The amounts reclassified from AOCI included $(1.8) million in cost of goods sold (COGS), $3.7 million in interest expense and $2.1 million in Other income (expense), net for the three months ended June 30, 2021 and $2.3 million in COGS, $4.0 million in interest expense and $3.7 million in Other income (expense), net for the three months ended June 30, 2020.
Reclassification adjustments and other activity impacting accumulated other comprehensive income (loss) during the six months ended June 30, 2021 and June 30, 2020 are as follows (in millions):
|  | Defined Benefit Plans |  | Foreign Currency Translation Adjustments |  | Unrecognized Gain (Loss) on Cash Flow Hedges |  | Total
| Balance at December 31, 2020 | $ | (311.0) |  |  | $ | (101.1) |  |  | $ | (20.1) |  |  | $ | (432.2) |
| Other comprehensive income (loss) before reclassifications | — |  |  | 0.7 |  |  | 11.0 |  |  | 11.7 |
| Income tax effect of other comprehensive income (loss) before reclassifications | — |  |  | — |  |  | (2.1) |  |  | (2.1) |
| Amounts reclassified from accumulated other comprehensive loss | 5.4 |  | (a) | 0.5 |  |  | (4.2) |  | (b) | 1.7 |
| Income taxes reclassified into net income | (1.1) |  |  | — |  |  | 0.1 |  |  | (1.0) |
| Net change in accumulated other comprehensive loss | 4.3 |  |  | 1.2 |  |  | 4.8 |  |  | 10.3 |
| Balance at June 30, 2021 | $ | (306.7) |  |  | $ | (99.9) |  |  | $ | (15.3) |  |  | $ | (421.9) |
|  | Defined Benefit Plans |  | Foreign Currency Translation Adjustments |  | Unrecognized Gain (Loss) on Cash Flow Hedges |  | Total
| Balance at December 31, 2019 | $ | (259.9) |  |  | $ | (101.2) |  |  | $ | (15.7) |  |  | $ | (376.8) |
| Other comprehensive income (loss) before reclassifications | — |  |  | (43.7) |  |  | (34.8) |  |  | (78.5) |
| Income tax effect of other comprehensive income (loss) before reclassifications | — |  |  | — |  |  | 3.1 |  |  | 3.1 |
| Amounts reclassified from accumulated other comprehensive loss | 4.1 |  | (a) | — |  |  | 7.0 |  | (b) | 11.1 |
| Income taxes reclassified into net income | (0.8) |  |  | — |  |  | (1.3) |  |  | (2.1) |
| Net change in accumulated other comprehensive loss | 3.3 |  |  | (43.7) |  |  | (26.0) |  |  | (66.4) |
| Balance at June 30, 2020 | $ | (256.6) |  |  | $ | (144.9) |  |  | $ | (41.7) |  |  | $ | (443.2) |
(a) | These amounts were reclassified from AOCI to Other income (expense), net for the six months ended June 30, 2021 and June 30, 2020.
(b) | The amounts reclassified from AOCI included $(4.1) million in cost of goods sold (COGS), $7.9 million in interest expense and $(8.0) million in Other income (expense), net for the six months ended June 30, 2021 and $1.0 million in COGS and $6.0 million in interest expense for the six months ended June 30, 2020.

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 + Details
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