Goodwill and Identifiable Intangible Assets - Gross Carrying Amounts and Accumulated Amortization of Identifiable Intangible Assets by Major Class (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2017	Dec. 31, 2015	Dec. 31, 2016
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	$ 1,785.8		$ 1,420.3
Accumulated Amortization	(349.3)		(290.0)
Net Book Value, definite-lived	1,436.5		1,130.3
Trademarks [Member]
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets by Major Class [Line Items]
Net Book Value, indefinite-lived	291.1		273.2
Technology-Based Intangible Assets [Member]
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	479.3		417.1
Accumulated Amortization	(184.5)		(153.6)
Net Book Value, definite-lived	$ 294.8		263.5
Weighted average amortization periods (years)	10 years 5 months	10 years 2 months
Trademarks [Member]
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	$ 76.3		55.0
Accumulated Amortization	(14.2)		(11.4)
Net Book Value, definite-lived	$ 62.1		43.6
Weighted average amortization periods (years)	14 years 5 months	14 years 8 months 31 days
Customer Relationships [Member]
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	$ 929.9		672.6
Accumulated Amortization	(149.6)		(123.3)
Net Book Value, definite-lived	$ 780.3		549.3
Weighted average amortization periods (years)	19 years 1 month	18 years 8 months
Other Intangible Assets [Member]
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	$ 9.2		2.4
Accumulated Amortization	(1.0)		(1.7)
Net Book Value, definite-lived	$ 8.2		$ 0.7
Weighted average amortization periods (years)	4 years 8 months	4 years 7 months