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Commitments and Contingent Liabilities - Leases (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract] |  |  |
Rent expense | $ 243.3 | $ 237.9 | $ 231.8
Sublease rent received | 17.9 | $ 22.4 | $ 25.8
Aggregate rent currently guaranteed by the Company | 112.4 |  |
Letters of credit outstanding | 26.8 |  |
Surety bonds posted | $ 21.4 |  |

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- Definition Represents the aggregate rent currently guaranteed by entity under property lease guarantee. + References No definition available. + Details
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Balance Type: | credit
Period Type: | instant

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- Definition Surety bonds posted. + References No definition available. + Details
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Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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Balance Type: | credit
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- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918638-209977 + Details
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- Definition Amount of sublease income excluding finance and operating lease expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI https://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971 + Details
Name: | us-gaap_SubleaseIncome
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Balance Type: | credit
Period Type: | duration