Goodwill and Other Intangible Assets, Net - Changes in Carrying Amount of Goodwill (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Goodwill [Roll Forward]
Goodwill , beginning balance	$ 927.2	$ 875.9
Goodwill acquired		54.4
Goodwill, Purchase Accounting Adjustments	(2.5)
Foreign currency	20.1	(3.1)
Goodwill , ending Balance	944.8	927.2
Motion Technologies
Goodwill [Roll Forward]
Goodwill , beginning balance	293.6	294.5
Goodwill acquired		0.0
Goodwill, Purchase Accounting Adjustments	0.0
Foreign currency	4.5	(0.9)
Goodwill , ending Balance	298.1	293.6
Industrial Process
Goodwill [Roll Forward]
Goodwill , beginning balance	354.1	315.8
Goodwill acquired		40.1
Goodwill, Purchase Accounting Adjustments	(2.5)
Foreign currency	13.8	(1.8)
Goodwill , ending Balance	365.4	354.1
Connect & Control Technologies
Goodwill [Roll Forward]
Goodwill , beginning balance	279.5	265.6
Goodwill acquired		14.3
Goodwill, Purchase Accounting Adjustments	0.0
Foreign currency	1.8	(0.4)
Goodwill , ending Balance	$ 281.3	$ 279.5

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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