Restructuring Expenses (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		30 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014
Changes in accrued severance [Roll Forward]
Beginning Balance	$ 16.6	$ 11.4	$ 18.3	$ 11.6
Additions	0	0.5	0	0.8
Payments	(0.4)	(1.6)	(1.9)	(2.2)
Effect of exchange rate changes	(1.2)	0.4	(1.4)	0.5
Ending Balance	15.0	10.7	15.0	10.7	15.0
Cost of Sales [Member]
Restructuring and repositioning expenses [Abstract]
Total restructuring and repositioning expenses		2.1		4.3
Europe segment [Member]
Restructuring Cost and Reserve [Line Items]
Asset impairment charges					26.1
Restructuring and repositioning expenses [Abstract]
Employee severance and related benefits	0	0.5	0	0.8	28.6
Accelerated depreciation	0	2.1	0	4.3
Other restructuring and repositioning expenses	0.8	0.1	1.1	0.3	8.7
Total restructuring and repositioning expenses	0.8	2.7	1.1	5.4
Europe segment [Member] | Restructuring Expense [Member]
Restructuring and repositioning expenses [Abstract]
Total restructuring and repositioning expenses	0.8	0.6	1.1	1.1
South America Segment [Member] | Restructuring Expense [Member]
Restructuring and repositioning expenses [Abstract]
Employee severance and related benefits			0.5
North America Segment [Member]
Restructuring and repositioning expenses [Abstract]
Other restructuring and repositioning expenses	$ 0.2		$ 0.2