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Revenue Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Net sales	$ 1,037.3	$ 894.6	$ 3,125.6	$ 2,621.5
Unbilled receivables			110.9	$ 129.2	$ 129.2
Additional unbilled revenue recognized			287.6		393.6
Less: amounts billed to customers			312.8		411.9
Unbilled receivables	85.7		85.7		$ 110.9
Amount of revenue for remaining performance obligations	417.8		$ 417.8
U.S. Government \| Customer Concentration Risk \| Revenue Benchmark
Disaggregation of Revenue [Line Items]
Revenues			7.00%	9.00%
Original equipment manufacturers \| Customer Concentration Risk \| Revenue Benchmark
Disaggregation of Revenue [Line Items]
Revenues			61.00%	60.00%
Distribution/end users \| Customer Concentration Risk \| Revenue Benchmark
Disaggregation of Revenue [Line Items]
Revenues			39.00%	40.00%
Transferred over Time \| Customer Concentration Risk \| Revenue Benchmark
Disaggregation of Revenue [Line Items]
Revenues			800.00%	12.00%
United States
Disaggregation of Revenue [Line Items]
Net sales	429.5	383.9	$ 1,297.6	$ 1,175.0
Americas, excluding the United States
Disaggregation of Revenue [Line Items]
Net sales	102.3	81.1	295.7	221.0
Europe / Middle East / Africa
Disaggregation of Revenue [Line Items]
Net sales	255.7	207.0	771.5	623.0
China
Disaggregation of Revenue [Line Items]
Net sales	153.6	145.4	482.9	396.6
Asia-Pacific, excluding China
Disaggregation of Revenue [Line Items]
Net sales	96.2	77.2	277.9	205.9
Mobile Industries
Disaggregation of Revenue [Line Items]
Net sales	487.3	428.6	1,486.0	1,237.9
Mobile Industries \| United States
Disaggregation of Revenue [Line Items]
Net sales	235.3	220.7	715.6	645.5
Mobile Industries \| Americas, excluding the United States
Disaggregation of Revenue [Line Items]
Net sales	54.9	45.1	156.0	120.7
Mobile Industries \| Europe / Middle East / Africa
Disaggregation of Revenue [Line Items]
Net sales	118.2	92.7	369.6	280.2
Mobile Industries \| China
Disaggregation of Revenue [Line Items]
Net sales	27.7	27.6	94.3	75.8
Mobile Industries \| Asia-Pacific, excluding China
Disaggregation of Revenue [Line Items]
Net sales	51.2	42.5	150.5	115.7
Process Industries
Disaggregation of Revenue [Line Items]
Net sales	550.0	466.0	1,639.6	1,383.6
Process Industries \| United States
Disaggregation of Revenue [Line Items]
Net sales	194.2	163.2	582.0	529.5
Process Industries \| Americas, excluding the United States
Disaggregation of Revenue [Line Items]
Net sales	47.4	36.0	139.7	100.3
Process Industries \| Europe / Middle East / Africa
Disaggregation of Revenue [Line Items]
Net sales	137.5	114.3	401.9	342.8
Process Industries \| China
Disaggregation of Revenue [Line Items]
Net sales	125.9	117.8	388.6	320.8
Process Industries \| Asia-Pacific, excluding China
Disaggregation of Revenue [Line Items]
Net sales	$ 45.0	$ 34.7	$ 127.4	$ 90.2
Service Revenue \| Customer Concentration Risk \| Revenue Benchmark
Disaggregation of Revenue [Line Items]
Revenues			4.00%	5.00%