New Accounting Guidance (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cost of products sold	$ 821.4	$ 827.1	$ 2,482.4	$ 2,450.2
Selling, general and administrative expenses	90.9	95.9	284.6	290.5
Restructuring and acquisition-related costs	16.1	12.9	50.5	41.1
Other non-operating (income) expense, net	(0.5)	$ (1.7)	(2.1)	$ (5.0)
Adjustments for New Accounting Pronouncement [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cost of products sold	(0.3)		(0.9)
Selling, general and administrative expenses	1.3		3.7
Other non-operating (income) expense, net	(1.0)		(2.8)
As reclassified [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cost of products sold	827.1		2,450.2
Selling, general and administrative expenses	95.9		290.5
Other non-operating (income) expense, net	(1.7)		(5.0)
As reported [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cost of products sold	827.4		2,451.1
Selling, general and administrative expenses	94.6		286.8
Other non-operating (income) expense, net	$ (0.7)		$ (2.2)