Goodwill and Intangible Assets - Changes in Carrying Value of Goodwill by Segment (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Goodwill [Roll Forward]
Goodwill			$ 1,766.9
Accumulated impairment loss			(170.9)
Goodwill, Beginning balance	$ 1,564.0	$ 1,596.0
Impact of changes in foreign currency and other	(39.4)	(27.6)
Acquired goodwill related to the acquisition of Nook Industries		55.6
Other		(60.0)
Measurement period adjustments related to the Nook acquisition	(0.1)
Goodwill, Ending balance	1,524.5	1,564.0
Power Transmission Technologies [Member]
Goodwill [Roll Forward]
Goodwill			452.4
Accumulated impairment loss			(31.8)
Goodwill, Beginning balance	411.0	420.6
Impact of changes in foreign currency and other	(7.2)	(9.6)
Goodwill, Ending balance	403.8	411.0
Automation & Specialty [Member]
Goodwill [Roll Forward]
Goodwill			1,314.5
Accumulated impairment loss			$ (139.1)
Goodwill, Beginning balance	1,153.0	1,175.4
Impact of changes in foreign currency and other	(32.2)	(18.0)
Acquired goodwill related to the acquisition of Nook Industries		55.6
Other		(60.0)
Measurement period adjustments related to the Nook acquisition	(0.1)
Goodwill, Ending balance	$ 1,120.7	$ 1,153.0