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v3.21.2

Restructuring (Restructuring Liability) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Restructuring Reserve [Roll Forward] |  |  |  |
Utilization | $ 1.1 | $ 0.0 | $ 14.3 | $ (22.0)
2020 Repositioning Actions |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Utilization | 1.1 | $ 0.0 | 1.5 | (24.2)
2019 Repositioning Actions |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Utilization |  |  | (0.1) | 0.0
2017 Repositioning Actions |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Utilization |  |  | 12.9 | $ 2.5
Severance |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Beginning balance |  |  | 24.9 |
Expense (Gain) |  |  | 0.1 |
Adjustments |  |  | (0.9) |
Utilization |  |  | (9.4) |
Ending balance | 14.7 |  | 14.7 |
Severance | 2020 Repositioning Actions |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Beginning balance |  |  | 4.2 |
Expense (Gain) |  |  | 0.0 |
Adjustments |  |  | (0.7) |
Utilization |  |  | (3.0) |
Ending balance | 0.5 |  | 0.5 |
Severance | 2019 Repositioning Actions |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Beginning balance |  |  | 16.0 |
Expense (Gain) |  |  | 0.1 |
Adjustments |  |  | 0.0 |
Utilization |  |  | (6.1) |
Ending balance | 10.0 |  | 10.0 |
Severance | 2017 Repositioning Actions |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Beginning balance |  |  | 4.7 |
Expense (Gain) |  |  | 0.0 |
Adjustments |  |  | (0.2) |
Utilization |  |  | (0.3) |
Ending balance | $ 4.2 |  | $ 4.2 |

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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109237686&loc=d3e17752-110868 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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- Definition Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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- Definition Amount of increase (decrease) in the accrual for restructuring costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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