Acquisitions Schedule of Business Combinations (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Business Acquisition [Line Items]
Goodwill	$ 3,979.0	$ 3,949.0	$ 3,995.1
Acquisitions, 2016 [Member]
Business Acquisition [Line Items]
Accounts receivable	5.2
Inventories	2.2
Property, plant and equipment	0.6
Goodwill	113.2
Other intangible assets, primarily customer relationships, trade names and technology	82.7
Trade accounts payable	(1.5)
Other assets and liabilities, net	(12.3)
Net cash consideration	$ 190.1
Acquisitions, 2015 [Member]
Business Acquisition [Line Items]
Accounts receivable		2.8
Inventories		3.1
Property, plant and equipment		1.0
Goodwill		21.2
Other intangible assets, primarily customer relationships, trade names and technology		13.0
Trade accounts payable		(0.9)
Other assets and liabilities, net		(3.1)
Net cash consideration		$ 37.1
Acquisitions, 2014 [Member]
Business Acquisition [Line Items]
Accounts receivable			21.0
Inventories			30.5
Property, plant and equipment			8.5
Goodwill			151.1
Other intangible assets, primarily customer relationships, trade names and technology			113.8
Trade accounts payable			(8.0)
Other assets and liabilities, net			(27.9)
Net cash consideration			$ 289.0