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.

+ References+ Details

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

+ References+ Details

- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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+ Details

Restructuring Charges Restructuring Charges (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Restructuring Cost and Reserve [Line Items]
Asset impairment			$ 4,689	$ 0
Restructuring charges, total	6,218	2	6,218	875
December 2012 Restructuring Program [Member]
Restructuring Cost and Reserve [Line Items]
Workforce reduction	1,529
Asset impairment	4,689
Restructuring charges, total	6,218
Cash payments	(97)
Liability	6,121		6,121
December 2012 Restructuring Program [Member] \| Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Workforce reduction	1,529
Cash payments	(97)
Liability	1,432		1,432
December 2012 Restructuring Program [Member] \| Impairment of Intangible Assets [Member]
Restructuring Cost and Reserve [Line Items]
Asset impairment	4,689
Cash payments	0
Liability	$ 4,689		$ 4,689