Acquisitions and Divestitures - Acquisitions Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Business Acquisition [Line Items]
Property, plant and equipment	$ 16.5		$ 16.5		$ 16.5
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other	5.1		5.1		5.3
Asset Impairment Charges			0.0	$ 2.6
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt	2.2		2.2		2.2
Net sales	750.6	$ 673.6	1,454.4	1,357.6
Payments to Acquire Businesses, Net of Cash Acquired			64.1	$ 0.7
Goodwill	28.8		28.8		29.9
2017 Acquisitions [Member]
Business Acquisition [Line Items]
Property, plant and equipment	4.0		4.0
Net sales			41.5
Goodwill	$ 15.1		15.1
Business Combination, Consideration Transferred			63.4
2016 Acquisitions [Member]
Business Acquisition [Line Items]
Acquisition Costs, Cumulative					74.4
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt					2.2
Cash Acquired from Acquisition					2.5
Net sales					$ 61.0
Payments to Acquire Businesses, Net of Cash Acquired			$ 0.6