Goodwill and Other Intangible Assets, Net - Changes in Carrying Amount of Goodwill (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Goodwill [Roll Forward]
Goodwill , beginning balance	$ 886.8	$ 774.7
Goodwill acquired		91.2
Goodwill, Purchase Accounting Adjustments	3.3	(8.2)
Foreign currency	(14.2)	29.1
Goodwill , ending Balance	875.9	886.8
Industrial Process
Goodwill [Roll Forward]
Goodwill , beginning balance	324.5	308.4
Goodwill acquired		0.0
Goodwill, Purchase Accounting Adjustments	0.0	0.0
Foreign currency	(8.7)	16.1
Goodwill , ending Balance	315.8	324.5
Motion Technologies
Goodwill [Roll Forward]
Goodwill , beginning balance	295.6	202.3
Goodwill acquired		91.2
Goodwill, Purchase Accounting Adjustments	3.3	(8.2)
Foreign currency	(4.4)	10.3
Goodwill , ending Balance	294.5	295.6
Connect & Control Technologies
Goodwill [Roll Forward]
Goodwill , beginning balance	266.7	264.0
Goodwill acquired		0.0
Goodwill, Purchase Accounting Adjustments	0.0	0.0
Foreign currency	(1.1)	2.7
Goodwill , ending Balance	$ 265.6	$ 266.7

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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