Property, Plant and Equipment (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment:
Land and buildings	$ 430.3	$ 428.8
Machinery and equipment	1,741.4	1,735.3
Subtotal	2,171.7	2,164.1
Less allowances for depreciation	(1,393.9)	(1,383.6)
Property, Plant and Equipment - net	$ 777.8	$ 780.5	$ 855.8