Principles of Consolidation (Reclassification Out of Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2015	Oct. 23, 2015
Reclassifications out of Accumulated Comprehensive loss [Line Items]
Proceeds from disposal of equity method investment, net	$ 0.0	$ 14.6
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax		10.4
Accumulated Other Comprehensive Loss:
Reclassifications out of Accumulated Comprehensive loss [Line Items]
Reclassification of net pension actuarial losses to net income, net of tax	$ (3.9)	(3.4)
JHJ International Transportation Co., Ltd. [Member]
Reclassifications out of Accumulated Comprehensive loss [Line Items]
Equity Method Investment, Ownership Percentage				50.00%
Reclassification of Investment			$ 16.3
Proceeds from disposal of equity method investment, net		16.3
Transaction fees for JHJ disposal		1.7
JHJ Carrying Amount - Equity Method Investment		22.7
Gain (Loss) on Sale of Equity Investments		$ 2.3