Principles of Consolidation (Reclassification Out of Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2017	Jun. 30, 2016	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)		(7.8)	(6.8)
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
Accounting Standards Update 2017-07 [Member]
Reclassifications out of Accumulated Comprehensive loss [Line Items]
Other nonoperating expense	1.9			3.8
Salaries, wages and employee benefits	$ 1.9			$ 3.8