Segment Results (Schedule of Segment Operating Income (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Information [Line Items]
Total consolidated operating income	$ 69.0	$ 71.0	$ 210.4	$ 144.3
Unallocated Corporate [Member]
Segment Reporting Information [Line Items]
Total consolidated operating income		(2.7)		(37.1)
Americas [Member]
Segment Reporting Information [Line Items]
Total consolidated operating income	67.6	68.6	214.7	189.0
EMEA [Member]
Segment Reporting Information [Line Items]
Total consolidated operating income	3.8	4.1	(1.1)	(5.2)
Pacific Rim [Member]
Segment Reporting Information [Line Items]
Total consolidated operating income	$ (2.4)	$ 1.0	$ (3.2)	$ (2.4)