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Restructuring (Schedule Of Restructuring Charges And Cash Payments) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Sep. 30, 2012
Restructuring Cost and Reserve [Line Items]
Accrued restructuring balance at April 1, 2012	$ 974
Charges to operations	143
Cash payments	(815)
Accrued restructuring balance at September 30, 2012	302
Severance Pay And Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Accrued restructuring balance at April 1, 2012	680
Charges to operations	182
Cash payments	(560)
Accrued restructuring balance at September 30, 2012	302
Facility Exit Costs [Member]
Restructuring Cost and Reserve [Line Items]
Accrued restructuring balance at April 1, 2012	294
Charges to operations	(39)
Cash payments	(255)
Accrued restructuring balance at September 30, 2012	$ 0

Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

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- Definition

Amount of cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost.

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