Goodwill and Other Intangible Assets - Intangible Assets (Details) - USD ($)
$ in Millions

3 Months Ended

Mar. 31, 2017

Mar. 31, 2016

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

The following table summarizes the Company’s other intangible assets at March 31, 2017:

	Gross Amount		Accumulated Amortization		Net Amount
	(in millions)
Intangible assets subject to amortization:
Trademarks	$	41.9	$	19.2	$	22.7
Technology	114.3		39.2		75.1
Customer relationships	225.2		119.7		105.5
Total intangible assets subject to amortization	381.4		178.1		203.3
Trademarks, not subject to amortization	136.1		—		136.1
Total	$	517.5	$	178.1	$	339.4

The following table summarizes the Company’s other intangible assets at March 31, 2017:

	Gross Amount		Accumulated Amortization		Net Amount
	(in millions)
Intangible assets subject to amortization:
Trademarks	$	41.9	$	19.2	$	22.7
Technology	114.3		39.2		75.1
Customer relationships	225.2		119.7		105.5
Total intangible assets subject to amortization	381.4		178.1		203.3
Trademarks, not subject to amortization	136.1		—		136.1
Total	$	517.5	$	178.1	$	339.4

The following table summarizes the Company’s other intangible assets at December 31, 2016:

	Gross Amount		Accumulated Amortization		Net Amount
	(in millions)
Intangible assets subject to amortization:
Trademarks	$	41.5	$	18.2	$	23.3
Technology	112.6		36.3		76.3
Customer relationships	222.7		114.9		107.8
Total intangible assets subject to amortization	376.8		169.4		207.4
Trademarks, not subject to amortization	134.4		—		134.4
Total	$	511.2	$	169.4	$	341.8

Finite-Lived Intangible Assets [Line Items]

Gross Amount

$ 381.4

$ 376.8

Accumulated Amortization

178.1

169.4

Net Amount

203.3

207.4

Indefinite-lived Intangible Assets [Line Items]

Gross Amount

517.5

511.2

Accumulated Amortization

178.1

169.4

Net Amount

339.4

341.8

Amortization of intangible assets

7.0

$ 7.7

Trademarks [Member]

Finite-Lived Intangible Assets [Line Items]

Gross Amount

41.9

41.5

Accumulated Amortization

19.2

18.2

Net Amount

22.7

23.3

Indefinite-lived Intangible Assets [Line Items]

Accumulated Amortization

19.2

18.2

Technology [Member]

Finite-Lived Intangible Assets [Line Items]

Gross Amount

114.3

112.6

Accumulated Amortization

39.2

36.3

Net Amount

75.1

76.3

Indefinite-lived Intangible Assets [Line Items]

Accumulated Amortization

39.2

36.3

Customer relationships [Member]

Finite-Lived Intangible Assets [Line Items]

Gross Amount

225.2

222.7

Accumulated Amortization

119.7

114.9

Net Amount

105.5

107.8

Indefinite-lived Intangible Assets [Line Items]

Accumulated Amortization

119.7

114.9

Trademarks [Member]

Indefinite-lived Intangible Assets [Line Items]

Trademarks, not subject to amortization

$ 136.1

$ 134.4