Nature Of Operations And Significant Accounting Policies (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2018 USD ($) Segment	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Property, Plant and Equipment [Line Items]
Other Assets, Noncurrent	$ 101.4	$ 114.6
Assets	4,042.7	3,593.5	$ 3,428.0
Long-term Debt, Excluding Current Maturities	942.3	494.1
Liabilities and Equity	4,042.7	3,593.5
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	$ 122.2	0.0	0.0
Number of reporting segments | Segment	4
Increase (decrease) in cost of sales by changes in level of LIFO inventories	$ (2.5)	$ 0.4	1.8
Percentage of inventories cost, LIFO method	28.00%	32.00%
Higher value of LIFO inventories if valued under FIFO	$ 9.9	$ 13.6
Depreciation expense	$ 72.7	41.0	$ 40.2
Number of reporting units | Segment	8
Estimated cost of capital, minimum	10.00%
Estimated cost of capital, maximum	13.00%
Estimated cost of capital, weighted	10.90%
Hypothetical decrease to fair values of each reporting unit	10.00%
Estimated amortization expense for intangible assets, year 2013	$ 41.0
Finite-Lived Intangible Assets, Amortization Expense, Year Two	36.9
Estimated amortization expense for intangible assets, year 2015	34.6
Finite-Lived Intangible Assets, Amortization Expense, Year Four	34.2
Estimated amortization expense for intangible assets, year 2017 and thereafter	265.2
Intangible assets, net	481.8	276.8
Intangibles with indefinite useful lives	$ 69.9	$ 0.0
Minimum [Member] | Buildings And Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, estimated useful life- minimum, years	10 years
Minimum [Member] | Machinery And Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, estimated useful life- minimum, years	3 years
Maximum [Member] | Buildings And Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, estimated useful life- minimum, years	25 years
Maximum [Member] | Machinery And Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, estimated useful life- minimum, years	10 years