Goodwill And Identifiable Intangibles (Intangible Assets) (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Intangible Assets [Line Items]
Amortization of intangibles		$ 9.3	$ 8.0
Amortizable intangible assets, Gross Carrying Amounts		447.9		$ 444.1
Amortizable intangible assets, Accumulated Amortization		(168.4)		(159.2)
Amortizable intangible assets, Net Book Value		279.5		284.9
Total identifiable intangibles, Gross Carrying Amounts		1,051.0		1,043.6
Total identifiable intangibles, Accumulated Amortization		(212.9)		(203.7)
Total identifiable intangibles, Net Book Value		838.1		839.9
Trade Names
Intangible Assets [Line Items]
Amortizable intangible assets, Gross Carrying Amounts		196.6		195.3
Amortizable intangible assets, Accumulated Amortization		(62.1)		(59.4)
Amortizable intangible assets, Net Book Value		134.5		135.9
Customer and contractual relationships
Intangible Assets [Line Items]
Amortizable intangible assets, Gross Carrying Amounts		245.4		243.0
Amortizable intangible assets, Accumulated Amortization		(105.7)		(99.3)
Amortizable intangible assets, Net Book Value		139.7		143.7
Patents
Intangible Assets [Line Items]
Amortizable intangible assets, Gross Carrying Amounts		5.9		5.8
Amortizable intangible assets, Accumulated Amortization		(0.6)		(0.5)
Amortizable intangible assets, Net Book Value		5.3		5.3
Trade Names
Intangible Assets [Line Items]
Indefinite-lived intangible assets, gross carrying amount		603.1		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		$ 558.6		$ 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.