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Commitments, Contingencies and Off-Balance Sheet Arrangements - Outstanding Letters of Credit, Financial Guarantees and Funding Commitments (Detail) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 USD ($)
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items] |
Maximum Exposure | $ 23.6
Liability Recorded | $ 13.7
Funding Commitment to an Equity Investment - to be Funded in 2024 [Member] |
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items] |
Collateral | None
Compensation to Us | None
Investment, Type [Extensible Enumeration] | Venture Capital Funds And Other [Member]
Credit Support Under Letters of Credit for Deductibles Due by Us on Our Own Insurance Coverage's Expires After 2028 [Member] |
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items] |
Collateral | None
Compensation to Us | None
Maximum Exposure | $ 9.3
Liability Recorded | $ 13.7
Credit Enhancement Under Letters of Credit for Our Captive Insurance Operations to Meet Minimum Statutory Capital Requirement's Expires After 2024 and 2028 [Member] |
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items] |
Collateral | None
Compensation to Us | Reimbursement of LOC fees
Maximum Exposure | $ 10.5
Collateral Related To Claim Funds Held in a Fiduciary Capacity by a Recent Acquisition Expires 2028 [Member] |
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items] |
Collateral | None
Compensation to Us | None
Maximum Exposure | $ 0.9
Credit Support Under Letters of Credit in Lieu of Security Deposit for One Lease from Acquisitions Expires 2028 [Member] |
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items] |
Collateral | None
Compensation to Us | None
Maximum Exposure | $ 0.5
Financial Guarantees of Loans to Five Canadian Based Employees Trigger [Member] |
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items] |
Collateral | (1)
Compensation to Us | None
Maximum Exposure | $ 0.6
Financial Guarantee of External Loan to Subsidiary in Chile Expires when Loan Balance is Reduced to Zero through July 2024 - Principal and Interest are Paid Quarterly [Member] |
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items] |
Collateral | None
Compensation to Us | None
Maximum Exposure | $ 1.8

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- Definition Indicates type of investment. Includes, but is not limited to, common stock, preferred stock, convertible security, fixed income security, government security, option purchased, warrant, loan participation and assignment, commercial paper, bankers' acceptance, certificates of deposit, short-term security, repurchase agreement, and other investment company. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480524/946-210-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480524/946-210-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-12A(Column A)(Footnote 2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14(Column A)(Footnote 2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-6 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-12(Column A)(Footnote 2)(i)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-1 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-12(Column C)(Footnote 5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-12B(Column A)(Footnote 1)(a)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-3 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-12B(Column C)(Footnote 2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-3 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14(Column F)(Footnote 7)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-6 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-12A(Column C)(Footnote 4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-2 + Details
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