Restructuring and Impairments, Net (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2014		Dec. 31, 2013
Summarized restructuring and asset impairment expenses by segment
Total Restructuring/Impairments, net	$ 278	[1]	$ 3,329	[1]	$ 17,910	[1]	$ 14,653	[1]
Transportation Americas
Summarized restructuring and asset impairment expenses by segment
Total Restructuring/Impairments, net	635		(1,306)		14,497		7,973
Transportation Europe & ROW
Summarized restructuring and asset impairment expenses by segment
Total Restructuring/Impairments, net	60		3,160		230		877
Industrial Energy Americas
Summarized restructuring and asset impairment expenses by segment
Total Restructuring/Impairments, net	256		77		364		233
Industrial Energy Europe & ROW
Summarized restructuring and asset impairment expenses by segment
Total Restructuring/Impairments, net	(673)		1,258		2,814		4,917
Unallocated corporate
Summarized restructuring and asset impairment expenses by segment
Total Restructuring/Impairments, net	$ 0		$ 140		$ 5		$ 653

[1] See Note 13 to the Consolidated Financial Statements.