Background and Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Summary of Significant Accounting Policies [Line Items]
Minimum ownership of fully controlled entities		100.00%
Research and development expense		$ 12.1	$ 11.8	$ 11.7
Recognized tax benefit to be realized upon ultimate settlement		greater than 50 percent likely to be realized
Tax cuts and jobs act of 2017, income tax expense	$ 0.8
Allowance for doubtful accounts	$ 0.5	$ 0.6	0.5
Bad debt expense		0.1	0.0	0.1
Depreciation expense		$ 10.1	8.9	8.7
Minimum | Patents and acquired technology
Summary of Significant Accounting Policies [Line Items]
Finite-lived intangible assets, useful life (in years)		7 years
Minimum | Customer relationships
Summary of Significant Accounting Policies [Line Items]
Finite-lived intangible assets, useful life (in years)		5 years
Minimum | Trade names
Summary of Significant Accounting Policies [Line Items]
Finite-lived intangible assets, useful life (in years)		7 years
Minimum | Non-competition agreements
Summary of Significant Accounting Policies [Line Items]
Finite-lived intangible assets, useful life (in years)		5 years
Maximum | Patents and acquired technology
Summary of Significant Accounting Policies [Line Items]
Finite-lived intangible assets, useful life (in years)		20 years
Maximum | Customer relationships
Summary of Significant Accounting Policies [Line Items]
Finite-lived intangible assets, useful life (in years)		15 years
Maximum | Trade names
Summary of Significant Accounting Policies [Line Items]
Finite-lived intangible assets, useful life (in years)		10 years
Maximum | Non-competition agreements
Summary of Significant Accounting Policies [Line Items]
Finite-lived intangible assets, useful life (in years)		10 years
Machinery and Equipment | Minimum
Summary of Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life (in years)		7 years
Machinery and Equipment | Maximum
Summary of Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life (in years)		10 years
Building and Building Improvements | Minimum
Summary of Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life (in years)		20 years
Building and Building Improvements | Maximum
Summary of Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life (in years)		40 years
Software
Summary of Significant Accounting Policies [Line Items]
Depreciation expense		$ 0.6	$ 0.5	$ 0.5
Software | Minimum
Summary of Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life (in years)		3 years
Software | Maximum
Summary of Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life (in years)		5 years