Benefit Plans - Expected Future Services to Be Paid by Plans (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014
U.S. Pension Plans
Defined Benefit Plan Disclosure [Line Items]
2015	$ 10.0
2016	12.2
2017	13.7
2018	16.2
2019	18.7
2020-2024	109.7
Non-US Pension Plans
Defined Benefit Plan Disclosure [Line Items]
2015	15.0
2016	15.9
2017	17.1
2018	18.1
2019	18.9
2020-2024	108.4
Other Postretirement Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
2015	3.4
2016	3.3
2017	3.2
2018	3.1
2019	3.1
2020-2024	$ 13.8

Defined Benefit Plan, Expected Future Benefit Payments after Year Five

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- Definition

Amount of benefits from a defined benefit plan expected to be paid 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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (f)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

+ Details

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- Definition

Amount of benefits from a defined benefit plan expected to be paid 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

+ Details

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- Definition

Amount of benefits from a defined benefit plan expected to be paid 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

+ Details

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- Definition

Amount of benefits from a defined benefit plan expected to be paid 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

+ Details

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- Definition

Amount of benefits from a defined benefit plan expected to be paid 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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