Contingencies and Litigation (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Dec. 31, 2013	Dec. 31, 2013 Site	Mar. 31, 2013
Environmental Matters [Abstract]
Reserves for these environmental matters	$ 5.0	$ 5.0	$ 5.2
Number of sites remediation considered for potentially responsible party		3
European value added tax [Abstract]
Value added tax payable	2.8	2.8	4.4
Reduction to selling general and administrative expense	$ (1.1)	$ (1.6)