Amortizable Intangible Assets (Details) - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,251.1	$ 1,223.0
Accumulated Amortization	(440.5)	(387.3)
Net	810.6	835.7
Trade Names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	579.0	576.7
Accumulated Amortization	(168.0)	(145.2)
Net	411.0	431.5
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	506.3	480.5
Accumulated Amortization	(213.1)	(190.2)
Net	293.2	290.3
Patents
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	165.4	165.4
Accumulated Amortization	(59.1)	(51.7)
Net	106.3	113.7
Noncompete Agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	0.4	0.4
Accumulated Amortization	(0.3)	(0.2)
Net	$ 0.1	$ 0.2

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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