Commitments, Contingencies and Off-Balance Sheet Arrangements - Contractual Obligations (Detail) $ in Millions	Dec. 31, 2021 USD ($)
Senior Notes [Member]
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]
Contractual Obligations, Payments Due by Period, Thereafter	$ 1,600.0
Contractual Obligations, Payments Due by Period, Total	1,600.0
Note Purchase Agreements [Member]
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]
Contractual Obligations, Payments Due by Period, 2022	200.0
Contractual Obligations, Payments Due by Period, 2023	250.0
Contractual Obligations, Payments Due by Period, 2024	475.0
Contractual Obligations, Payments Due by Period, 2025	200.0
Contractual Obligations, Payments Due by Period, 2026	640.0
Contractual Obligations, Payments Due by Period, Thereafter	2,683.0
Contractual Obligations, Payments Due by Period, Total	4,448.0
Multi Currency Credit Agreement [Member]
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]
Contractual Obligations, Payments Due by Period, 2022	45.0
Contractual Obligations, Payments Due by Period, Total	45.0
Premium Financing Debt Facility [Member]
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]
Contractual Obligations, Payments Due by Period, 2022	228.4
Contractual Obligations, Payments Due by Period, Total	228.4
Interest On Debt [Member]
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]
Contractual Obligations, Payments Due by Period, 2022	236.5
Contractual Obligations, Payments Due by Period, 2023	229.0
Contractual Obligations, Payments Due by Period, 2024	212.3
Contractual Obligations, Payments Due by Period, 2025	197.7
Contractual Obligations, Payments Due by Period, 2026	178.8
Contractual Obligations, Payments Due by Period, Thereafter	1,568.5
Contractual Obligations, Payments Due by Period, Total	2,622.8
Total Debt Obligations [Member]
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]
Contractual Obligations, Payments Due by Period, 2022	709.9
Contractual Obligations, Payments Due by Period, 2023	479.0
Contractual Obligations, Payments Due by Period, 2024	687.3
Contractual Obligations, Payments Due by Period, 2025	397.7
Contractual Obligations, Payments Due by Period, 2026	818.8
Contractual Obligations, Payments Due by Period, Thereafter	5,851.5
Contractual Obligations, Payments Due by Period, Total	8,944.2
Operating Lease Obligations [Member]
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]
Contractual Obligations, Payments Due by Period, 2022	101.6
Contractual Obligations, Payments Due by Period, 2023	94.5
Contractual Obligations, Payments Due by Period, 2024	67.9
Contractual Obligations, Payments Due by Period, 2025	51.4
Contractual Obligations, Payments Due by Period, 2026	39.0
Contractual Obligations, Payments Due by Period, Thereafter	77.3
Contractual Obligations, Payments Due by Period, Total	431.7
Less Sublease Arrangements [Member]
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]
Contractual Obligations, Payments Receivable by Period, 2022	(0.8)
Contractual Obligations, Payments Receivable by Period, 2023	(0.6)
Contractual Obligations, Payments Receivable by Period, 2024	(0.3)
Contractual Obligations, Payments Receivable by Period, 2025	(0.3)
Contractual Obligations, Payments Receivable by Period, 2026	(0.2)
Contractual Obligations, Payments Receivable by Period, Thereafter	(0.3)
Contractual Obligations, Payments Receivable by Period, Total	(2.5)
Outstanding Purchase Obligations [Member]
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]
Contractual Obligations, Payments Due by Period, 2022	71.5
Contractual Obligations, Payments Due by Period, 2023	60.7
Contractual Obligations, Payments Due by Period, 2024	38.1
Contractual Obligations, Payments Due by Period, 2025	30.4
Contractual Obligations, Payments Due by Period, 2026	11.2
Contractual Obligations, Payments Due by Period, Thereafter	26.2
Contractual Obligations, Payments Due by Period, Total	238.1
Total Contractual Obligations [Member]
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]
Contractual Obligations, Payments Due by Period, 2022	882.2
Contractual Obligations, Payments Due by Period, 2023	633.6
Contractual Obligations, Payments Due by Period, 2024	793.0
Contractual Obligations, Payments Due by Period, 2025	479.2
Contractual Obligations, Payments Due by Period, 2026	868.8
Contractual Obligations, Payments Due by Period, Thereafter	5,954.7
Contractual Obligations, Payments Due by Period, Total	$ 9,611.5

Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]

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Recorded unconditional purchase obligation receivable.

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- Definition

Recorded unconditional purchase obligation receivable after fifth year.

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Recorded unconditional purchase obligation receivable in fifth year.

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Recorded unconditional purchase obligation receivable in fourth year.

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Recorded unconditional purchase obligation receivable in second year.

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Recorded unconditional purchase obligation receivable in third year.

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- Definition

Recorded unconditional purchase obligation receivable within one year.

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- Definition

Amount of the recorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 440
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=123406679&loc=d3e25383-109308

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- Definition

Amount of recorded unconditional purchase obligation maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 440
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=123406679&loc=d3e25383-109308

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Amount of recorded unconditional purchase obligation to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of recorded unconditional purchase obligation to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of recorded unconditional purchase obligation to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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- Definition

Amount of recorded unconditional purchase obligation to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of recorded unconditional purchase obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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