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Non-Qualified Retirement, Savings and Investment Plans (Details) $ in Millions	12 Months Ended
	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

Deferred Compensation, Shares Outstanding

+ References

No definition available.

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- Definition

Number of Non-qualified Retirement Savings and Investment Plans

+ References

No definition available.

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- Definition

Number of Deferred Compensation Plans

+ References

No definition available.

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- References

No definition available.

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- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

+ References

No definition available.

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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

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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

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- Definition

Amount of realized gain (loss) on investment.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04.3(a))
-URI https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263

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- Definition

This element represents the current portion of investments which are not defined as or included in marketable (debt, equity, or other) securities that are pledged or subject to withdrawal restrictions.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 954
-SubTopic 210
-Section 45
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=120413173&loc=SL6242262-115580

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 954
-SubTopic 210
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=127002003&loc=SL6242269-115581

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