Restructuring Charges (Narratives) (Details) (USD $)	3 Months Ended	9 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2011
Restructuring Charges [Abstract]
Termination benefits recorded as restructuring costs			$ 430,000
Restructuring charges	0	(1,467,000)	(1,037,000)
Gain In Sale Of Closed Facility		$ 1,467,000	$ 1,467,000

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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The charge against earnings in the period for known and estimated costs of termination benefits provided to current employees that are involuntarily terminated under a benefit arrangement associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination or a discontinued operation as defined by generally accepted accounting principles and costs associated with one-time termination benefits.

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