Revenue by Segment and Region (Detail) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		$ 2,846.4	$ 2,745.1	$ 2,585.3
North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	[1]	1,192.1	1,070.8	1,009.0
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	[2]	996.1	1,000.7	958.2
Asia Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		427.2	431.4	393.3
Middle East [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		132.7	146.6	130.5
South America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		98.3	95.6	94.3
Motion Technologies
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		1,241.8	1,274.1	1,176.0
Motion Technologies | North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	[1]	204.4	185.3	163.2
Motion Technologies | Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	[2]	780.5	807.6	767.6
Motion Technologies | Asia Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		241.7	265.5	232.9
Motion Technologies | Middle East [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		2.3	1.3	1.5
Motion Technologies | South America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		12.9	14.4	10.8
Industrial Process
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		943.8	827.1	807.2
Industrial Process | North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	[1]	558.7	483.6	472.3
Industrial Process | Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	[2]	89.7	60.3	67.7
Industrial Process | Asia Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		101.9	81.6	75.3
Industrial Process | Middle East [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		114.1	128.1	115.5
Industrial Process | South America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		79.4	73.5	76.4
Connect & Control Technologies
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		663.9	646.6	605.6
Connect & Control Technologies | North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	[1]	431.9	404.3	376.6
Connect & Control Technologies | Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	[2]	125.9	132.9	123.0
Connect & Control Technologies | Asia Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		83.8	84.5	85.4
Connect & Control Technologies | Middle East [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		16.3	17.2	13.5
Connect & Control Technologies | South America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		6.0	7.7	7.1
Eliminations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		(3.1)	(2.7)	(3.5)
Eliminations | North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	[1]	(2.9)	(2.4)	(3.1)
Eliminations | Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	[2]	0.0	(0.1)	(0.1)
Eliminations | Asia Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		(0.2)	(0.2)	(0.3)
Eliminations | Middle East [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		0.0	0.0	0.0
Eliminations | South America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		$ 0.0	$ 0.0	$ 0.0

[1] (a) Includes revenue of $989.4, $887.0, and $853.6, from the United States for 2019, 2018, and 2017, respectively.

[2] (b) Includes revenue of $391.2, $412.5, and $389.3, from Germany for 2019, 2018, and 2017, respectively.