Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net Income	$ 333.5	$ 337.2	$ 576.4
Other Comprehensive (Loss) Income, Net of Tax:
Derivative Instruments	(8.9)
Derivative Instruments		(1.6)	(4.9)
Pension and Postretirement Benefit Plans	13.6	(32.4)	8.8
Currency Translation Adjustment	12.4	(24.5)	44.9
Total Other Comprehensive Income (Loss)	17.1	(58.5)	48.8
Total Comprehensive Income	$ 350.6	$ 278.7	$ 625.2