Restructuring and Impairments, Net (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013	Sep. 30, 2012
Summarized restructuring reserve and asset impairment activity
Restructuring Reserve, Beginning Balance					$ 9,626
Expenses					14,911
Payments and Currency Translation					(9,207)
Restructuring reserve before reclassification to liabilities subject to compromise	15,330				15,330
Reclass to Liabilities Subject to Compromise					(8,935)
Restructuring Reserve, Ending Balance	6,395				6,395
Impairments					(3,586)
Total Restructuring/Impairments,net	2,601	[1]	1,108	[1]	11,325	624
Severance Costs [Member]
Summarized restructuring reserve and asset impairment activity
Restructuring Reserve, Beginning Balance					6,050
Expenses					8,143
Payments and Currency Translation					(7,162)
Restructuring Reserve, Ending Balance	7,031				7,031
Closure Costs [Member]
Summarized restructuring reserve and asset impairment activity
Restructuring Reserve, Beginning Balance					3,576
Expenses					6,768
Payments and Currency Translation					(2,045)
Restructuring Reserve, Ending Balance	$ 8,299				$ 8,299

[1] See Note 13 for detail by segment.