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Restructuring Charges Restructuring Charges (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Restructuring Reserve [Roll Forward]
Liability, beginning balance	$ 548
Restructuring charges	93	0
Cash payments	(334)
Liability, ending balance	307
Workforce Reduction
Restructuring Reserve [Roll Forward]
Liability, beginning balance	548
Restructuring charges	93
Cash payments	(334)
Liability, ending balance	307
Asset Impairment
Restructuring Reserve [Roll Forward]
Liability, beginning balance	0
Restructuring charges	0
Cash payments	0
Liability, ending balance	$ 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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