Components of Property, Plant and Equipment (Details) - USD ($) $ in Millions		Dec. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Gross PP&E		$ 1,266.2		$ 1,267.2
Less accumulated depreciation and amortization		693.2		669.0
Net PP&E		573.0	$ 563.0	598.2
Land
Property, Plant and Equipment [Line Items]
Gross PP&E		27.8		27.8
Building and Building Improvements
Property, Plant and Equipment [Line Items]
Gross PP&E	[1]	255.4		301.3
Machinery and Equipment
Property, Plant and Equipment [Line Items]
Gross PP&E		737.4		716.7
Software
Property, Plant and Equipment [Line Items]
Gross PP&E		96.7		97.9
Office equipment and other assets
Property, Plant and Equipment [Line Items]
Gross PP&E		76.0		73.8
Construction in progress
Property, Plant and Equipment [Line Items]
Gross PP&E		$ 72.9		$ 49.7

[1] In conjunction with the new lease accounting guidance adopted in the first quarter of 2019, the Company de-recognized its corporate headquarters building lease which had a value of approximately $35.0 in Buildings and improvements at December 31, 2018.  See the Recently Adopted Accounting Pronouncements in Note 1 for further details.