Goodwill and Other Intangible Assets - Intangible Assets and Amortization Expense (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
	Jan. 11, 2017	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year		$ 3.1		$ 3.1
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]		6.2		6.2
Gross carrying amount		272.3		272.3		$ 294.7
Accumulated amortization		245.1		245.1		249.3
Intangible assets, net		59.2		59.2		77.4
Payments to Acquire Businesses, Gross	$ 4.0	2.5
Amortization expense		2.3	$ 5.6	$ 5.3	$ 11.2
Document Fiscal Year Focus				2017
Finite-Lived Intangible Assets, Amortization Expense, Year Three		5.6		$ 5.6
Finite-Lived Intangible Assets, Amortization Expense, Year Four		4.6		4.6
Finite-Lived Intangible Assets, Amortization Expense, Year Five		4.6		4.6
Impairment of Intangible Assets, Finite-lived		16.2		16.2	$ 0.0
Trademarks
Finite-Lived Intangible Assets [Line Items]
Unamortized intangible assets, gross carrying amount		32.0		32.0		32.0
Trademarks
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount		0.3		0.3		0.3
Accumulated amortization		0.2		0.2		0.2
Patents
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount		42.9		42.9		42.9
Accumulated amortization		21.7		21.7		19.3
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount		159.5		159.5		156.2
Accumulated amortization		153.8		153.8		152.8
Unpatented Technologies
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount		66.5		66.5		92.2
Accumulated amortization		66.3		66.3		73.9
Other (1)
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount		3.1		3.1		3.1
Accumulated amortization		$ 3.1		$ 3.1		$ 3.1
Customer Lists
Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 3.3
Finite-Lived Intangible Asset, Useful Life	5 years