Pension Plans for which ABO exceeds Fair Value of Plan Assets Related to Continuing Operations (Detail) - Pension Plans, Defined Benefit - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
U.S. Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Projected Benefit Obligation (PBO)	$ 332.1	$ 368.6
Accumulated Benefit Obligation (ABO)	314.8	336.9
Fair value of plan assets	272.9	297.9
Non-U.S. Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Projected Benefit Obligation (PBO)	143.3	143.6
Accumulated Benefit Obligation (ABO)	110.8	112.5
Fair value of plan assets	$ 3.9	$ 4.1

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Amount of accumulated benefit obligation for defined benefit plan with accumulated benefit obligation in excess of plan assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e2417-114920

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Amount of plan asset for defined benefit plan with accumulated benefit obligation in excess of plan assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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-Publisher FASB
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Amount of projected benefit obligation for defined benefit pension plan with accumulated benefit obligation in excess of plan assets.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
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-Section 50
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