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v3.22.4

Non-Qualified Retirement, Savings and Investment Plans (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2022 USD ($) plan shares | Dec. 31, 2021 USD ($) plan shares | Dec. 31, 2020 USD ($)
Retirement Benefits [Abstract] |  |  |
Number of non-qualified retirement savings and investment plans | plan | 2 |  |
Deferred compensation liability, current and long-term | $ 37.4 | $ 40.8 |
Number of deferred compensation plans | plan | 2 | 2 |
Increase (decrease) in compensation expense | $ (5.3) | $ 6.1 | $ 4.5
Deferred compensation plan assets | 32.4 | 36.1 |
Restricted investments, current | 0.7 |  |
Investment gains (losses) | $ (6.0) | $ 5.6 | $ 4.2
Deferred compensation arrangement with individual, shares issued (in shares) | shares | 0 | 0 |

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- Definition Number of Non-qualified Retirement Savings and Investment Plans + References No definition available. + Details
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- Definition Number of Deferred Compensation Plans + References No definition available. + Details
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- Definition Carrying amount as of the balance sheet date of assets held under deferred compensation agreements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(17)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The increase (decrease) during the reporting period in the obligation created by employee agreements whereby earned compensation will be paid in the future. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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