For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Disaggregation of Revenue [Line Items]
Net sales	$ 891.7	$ 894.6	$ 803.5	$ 923.4	$ 896.2	$ 914.0	$ 1,000.0	$ 979.7	$ 3,513.2	$ 3,789.9	$ 3,580.8
Amount of revenue for remaining performance obligations	224.3								224.3
Movement in Deferred Revenue [Roll Forward]
Beginning balance				$ 129.2					129.2
Additional unbilled revenue recognized									393.6
Less: amounts billed to customers									(411.9)
Ending balance	$ 110.9				$ 129.2				$ 110.9	$ 129.2
U.S. Government \| Revenue Benchmark
Disaggregation of Revenue [Line Items]
Concentration risk percentage									8.00%	8.00%
Original equipment manufacturers \| Revenue Benchmark
Disaggregation of Revenue [Line Items]
Concentration risk percentage									60.00%	56.00%
Distribution/end users \| Revenue Benchmark
Disaggregation of Revenue [Line Items]
Concentration risk percentage									40.00%	44.00%
Transferred over Time \| Revenue Benchmark
Disaggregation of Revenue [Line Items]
Concentration risk percentage									11.00%	12.00%
United States
Disaggregation of Revenue [Line Items]
Net sales									$ 1,553.4	$ 1,828.1	1,798.3
Americas excluding United States
Disaggregation of Revenue [Line Items]
Net sales									306.1	377.3	385.6
Europe / Middle East / Africa
Disaggregation of Revenue [Line Items]
Net sales									846.9	880.0	762.7
China
Disaggregation of Revenue [Line Items]
Net sales									523.2	360.6	313.8
Asia-Pacific excluding China
Disaggregation of Revenue [Line Items]
Net sales									283.6	343.9	320.4
Mobile
Disaggregation of Revenue [Line Items]
Net sales									1,671.6	1,893.9	1,903.7
Mobile \| United States
Disaggregation of Revenue [Line Items]
Net sales									853.8	1,007.1	1,028.8
Mobile \| Americas excluding United States
Disaggregation of Revenue [Line Items]
Net sales									168.1	209.6	208.9
Mobile \| Europe / Middle East / Africa
Disaggregation of Revenue [Line Items]
Net sales									389.9	390.8	382.5
Mobile \| China
Disaggregation of Revenue [Line Items]
Net sales									102.2	92.1	95.4
Mobile \| Asia-Pacific excluding China
Disaggregation of Revenue [Line Items]
Net sales									157.6	194.3	188.1
Process
Disaggregation of Revenue [Line Items]
Net sales									1,841.6	1,896.0	1,677.1
Process \| United States
Disaggregation of Revenue [Line Items]
Net sales									699.6	821.0	769.5
Process \| Americas excluding United States
Disaggregation of Revenue [Line Items]
Net sales									138.0	167.7	176.7
Process \| Europe / Middle East / Africa
Disaggregation of Revenue [Line Items]
Net sales									457.0	489.2	380.2
Process \| China
Disaggregation of Revenue [Line Items]
Net sales									421.0	268.5	218.4
Process \| Asia-Pacific excluding China
Disaggregation of Revenue [Line Items]
Net sales									$ 126.0	$ 149.6	$ 132.3
Service Revenue \| Revenue Benchmark
Disaggregation of Revenue [Line Items]
Concentration risk percentage									4.00%	5.00%