Restructuring And Other Special Charges, Net (Schedule of Restructuring Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Restructuring Reserve [Roll Forward]
Restructuring Reserve Beginning of Period	$ 4,996	$ 14,128	$ 0
Restructuring charges		1,523	14,473
Cash payments	(3,558)	(6,955)	(345)
Other adjustments		(3,700)
Restructuring Reserve End of Period	1,438	4,996	14,128
Severance Costs [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve Beginning of Period	4,682	13,138	0
Restructuring charges		0	13,330
Cash payments	(3,321)	(4,756)	(192)
Other adjustments		(3,700)
Restructuring Reserve End of Period	1,361	4,682	13,138
Facility Closing and Other Restructuring Costs [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve Beginning of Period	314	990	0
Restructuring charges		1,523	1,143
Cash payments	(237)	(2,199)	(153)
Other adjustments		0
Restructuring Reserve End of Period	$ 77	$ 314	$ 990