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Significant Accounting Policies (Narrative) (Details) $ in Millions	3 Months Ended	12 Months Ended
	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Accounting Policies [Line Items]
Interest costs capitalized		$ 0.5	$ 0.6	$ 0.1
Impairment of intangible assets	$ 0.0
Goodwill impairment loss	$ 0.0
Deferred Federal Income Tax Expense (Benefit) - Undistributed Earnings of Foreign Subsidiaries		2.0
Undistributed Earnings of Foreign Subsidiaries Not Permanently Reinvested		331.0
Undistributed earnings of foreign subsidiaries		177.0
Advertising expenses		98.4	105.5	114.8
Research and development expenses		$ 21.8	$ 23.8	$ 23.5
U.S. statutory rate		21.00%	21.00%	35.00%
Number of Operating Segments		3
Minimum
Accounting Policies [Line Items]
Service And Maintenance Agreement Term		3 months
Maximum
Accounting Policies [Line Items]
Service And Maintenance Agreement Term		60 months
Amortizable Period, Option 1 | Minimum
Accounting Policies [Line Items]
Intangible assets, amortizable life		10 years
Amortizable Period, Option 2
Accounting Policies [Line Items]
Intangible assets, amortizable life		15 years
Amortizable Period, Option 3
Accounting Policies [Line Items]
Intangible assets, amortizable life		23 years
Amortizable Period, Option 4 | Maximum
Accounting Policies [Line Items]
Intangible assets, amortizable life		30 years
Buildings | Minimum
Accounting Policies [Line Items]
Property, plant and equipment, useful life		40 years
Buildings | Maximum
Accounting Policies [Line Items]
Property, plant and equipment, useful life		50 years
Machinery, equipment and furniture | Minimum
Accounting Policies [Line Items]
Property, plant and equipment, useful life		3 years
Machinery, equipment and furniture | Maximum
Accounting Policies [Line Items]
Property, plant and equipment, useful life		10 years
Software and Software Development Costs | Minimum
Accounting Policies [Line Items]
Property, plant and equipment, useful life		5 years
Software and Software Development Costs | Maximum
Accounting Policies [Line Items]
Property, plant and equipment, useful life		10 years

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