Fair Values of Net Assets Acquired (Details) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Business Acquisition [Line Items]
Goodwill	$ 1,354.4	$ 1,325.0
VI-COR
Business Acquisition [Line Items]
Fair value of contingent payment due in one year	(4.6)
VI-COR | Acquisition Date Preliminary Fair Value
Business Acquisition [Line Items]
Inventory and other working capital	1.0
Property, plant and equipment and other long-term assets	7.6
Trade Names and other intangibles	41.5
Goodwill	29.4
Purchase Price	79.5
Fair value of contingent payment due in one year	(4.6)
Cash purchase price as of June 30, 2015	$ 74.9