Commitments, Contingencies and Off-Balance Sheet Arrangements - Contractual Obligations (Detail) $ in Millions	Dec. 31, 2015 USD ($)
Note Purchase Agreements [Member]
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]
Contractual Obligations, Payments Due by Period, 2016	$ 50.0
Contractual Obligations, Payments Due by Period, 2017	300.0
Contractual Obligations, Payments Due by Period, 2018	100.0
Contractual Obligations, Payments Due by Period, 2019	100.0
Contractual Obligations, Payments Due by Period, 2020	100.0
Contractual Obligations, Payments Due by Period, Thereafter	1,475.0
Contractual Obligations, Payments Due by Period, Total	2,125.0
Multi Currency Credit Agreement [Member]
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]
Contractual Obligations, Payments Due by Period, 2016	195.0
Contractual Obligations, Payments Due by Period, Total	195.0
Premium Financing Debt Facility [Member]
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]
Contractual Obligations, Payments Due by Period, 2016	137.0
Contractual Obligations, Payments Due by Period, Total	137.0
Interest On Debt [Member]
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]
Contractual Obligations, Payments Due by Period, 2016	100.7
Contractual Obligations, Payments Due by Period, 2017	97.5
Contractual Obligations, Payments Due by Period, 2018	77.5
Contractual Obligations, Payments Due by Period, 2019	73.2
Contractual Obligations, Payments Due by Period, 2020	68.6
Contractual Obligations, Payments Due by Period, Thereafter	255.3
Contractual Obligations, Payments Due by Period, Total	672.8
Total Debt Obligations [Member]
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]
Contractual Obligations, Payments Due by Period, 2016	482.7
Contractual Obligations, Payments Due by Period, 2017	397.5
Contractual Obligations, Payments Due by Period, 2018	177.5
Contractual Obligations, Payments Due by Period, 2019	173.2
Contractual Obligations, Payments Due by Period, 2020	168.6
Contractual Obligations, Payments Due by Period, Thereafter	1,730.3
Contractual Obligations, Payments Due by Period, Total	3,129.8
Operating Lease Obligations [Member]
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]
Contractual Obligations, Payments Due by Period, 2016	103.3
Contractual Obligations, Payments Due by Period, 2017	103.1
Contractual Obligations, Payments Due by Period, 2018	86.9
Contractual Obligations, Payments Due by Period, 2019	73.6
Contractual Obligations, Payments Due by Period, 2020	63.4
Contractual Obligations, Payments Due by Period, Thereafter	253.0
Contractual Obligations, Payments Due by Period, Total	683.3
Less Sublease Arrangements [Member]
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]
Contractual Obligations, Payments Due by Period, 2016	(0.8)
Contractual Obligations, Payments Due by Period, 2017	(0.4)
Contractual Obligations, Payments Due by Period, 2018	(0.1)
Contractual Obligations, Payments Due by Period, 2019	(0.1)
Contractual Obligations, Payments Due by Period, 2020	(0.1)
Contractual Obligations, Payments Due by Period, Total	(1.5)
Outstanding Purchase Obligations [Member]
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]
Contractual Obligations, Payments Due by Period, 2016	104.1
Contractual Obligations, Payments Due by Period, 2017	13.3
Contractual Obligations, Payments Due by Period, 2018	8.1
Contractual Obligations, Payments Due by Period, 2019	4.0
Contractual Obligations, Payments Due by Period, 2020	3.6
Contractual Obligations, Payments Due by Period, Total	133.1
Total Contractual Obligations [Member]
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]
Contractual Obligations, Payments Due by Period, 2016	689.3
Contractual Obligations, Payments Due by Period, 2017	513.5
Contractual Obligations, Payments Due by Period, 2018	272.4
Contractual Obligations, Payments Due by Period, 2019	250.7
Contractual Obligations, Payments Due by Period, 2020	235.5
Contractual Obligations, Payments Due by Period, Thereafter	1,983.3
Contractual Obligations, Payments Due by Period, Total	$ 3,944.7

Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]

No definition available.

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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/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 440
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6394976&loc=d3e25383-109308

+ Details

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Amount of the recorded unconditional purchase obligation maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of the recorded unconditional purchase obligation maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of the recorded unconditional purchase obligation maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of the recorded unconditional purchase obligation maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of the recorded unconditional purchase obligation maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of the recorded unconditional purchase obligation maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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