Restructuring and Impairments, Net (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Summarized restructuring reserve and asset impairment activity
Restructuring Reserve, Beginning Balance			$ 13,748
Expenses			6,866
Asset Sale and Impairments (gain) loss			9,534
Total Restructuring/Impairments,net	15,776	2,145	16,400	3,722
Payments and Currency Translation			(11,194)
Restructuring Reserve, Ending Balance	9,420		9,420
Severance Costs [Member]
Summarized restructuring reserve and asset impairment activity
Restructuring Reserve, Beginning Balance			10,401
Expenses			5,427
Payments and Currency Translation			(8,814)
Restructuring Reserve, Ending Balance	7,014		7,014
Closure Costs [Member]
Summarized restructuring reserve and asset impairment activity
Restructuring Reserve, Beginning Balance			3,347
Expenses			1,439
Payments and Currency Translation			(2,380)
Restructuring Reserve, Ending Balance	$ 2,406		$ 2,406