Goodwill And Identifiable Intangibles (Intangible Assets) (Details) - USD ($) $ in Millions		Sep. 30, 2018	Dec. 31, 2017
Intangible Assets [Line Items]
Amortizable intangible assets, Gross Carrying Amounts		$ 557.9	$ 444.1
Amortizable intangible assets, Accumulated Amortization		(183.9)	(159.2)
Amortizable intangible assets, Net Book Value		374.0	284.9
Total identifiable intangibles, Gross Carrying Amounts		1,030.4	1,043.6
Total identifiable intangibles, Accumulated Amortization		(228.4)	(203.7)
Total identifiable intangibles, Net Book Value		802.0	839.9
Trade Names
Intangible Assets [Line Items]
Amortizable intangible assets, Gross Carrying Amounts		308.0	195.3
Amortizable intangible assets, Accumulated Amortization		(67.4)	(59.4)
Amortizable intangible assets, Net Book Value		240.6	135.9
Customer and contractual relationships
Intangible Assets [Line Items]
Amortizable intangible assets, Gross Carrying Amounts		244.2	243.0
Amortizable intangible assets, Accumulated Amortization		(115.7)	(99.3)
Amortizable intangible assets, Net Book Value		128.5	143.7
Patents
Intangible Assets [Line Items]
Amortizable intangible assets, Gross Carrying Amounts		5.7	5.8
Amortizable intangible assets, Accumulated Amortization		(0.8)	(0.5)
Amortizable intangible assets, Net Book Value		4.9	5.3
Trade Names
Intangible Assets [Line Items]
Indefinite-lived intangible assets, gross carrying amount		472.5	599.5
Indefinite lived intangible asset accumulated amortization prior to the adoption of authoritative guidance	[1]	(44.5)	(44.5)
Indefinite-lived intangible assets, Net Book Value		$ 428.0	$ 555.0

[1] Accumulated amortization prior to the adoption of authoritative guidance on goodwill and indefinite-lived intangible assets, at which time further amortization ceased.