Derivative Instruments And Hedging Activities (Summary Of Location And Amount Of Derivative Fair Values On Condensed Consolidated Balance Sheet) (Details) (Other Current Assets / Accrued Other Liabilities [Member], Forward Contracts [Member], USD $) In Thousands	Jun. 30, 2011	Mar. 31, 2011
Other Current Assets / Accrued Other Liabilities [Member] | Forward Contracts [Member]
Asset Derivatives	$ 144	$ 158
Liability Derivatives	$ 23	$ 92