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Restructuring Charges (Tables)
 12 Months Ended
Mar. 31, 2014
Restructuring and Related Activities [Abstract]  
Schedule of restructuring activity
The following table sets forth a summary of restructuring activities related to all of the Company's restructuring plans described above (in thousands): 
 
Workforce
Reduction
 
Asset Impairment
 
Total
Liability, March 31, 2012
$
—

 
$
—

 
$
—

Restructuring charges
1,716

 
4,719

 
6,435

Cash payments
(1,168
)
 
—

 
(1,168
)
Non-cash items
—

 
(4,719
)
 
(4,719
)
Liability, March 31, 2013
$
548

 
$
—

 
$
548

Restructuring charges
$
862

 
$
272

 
$
1,134

Cash payments
(1,410
)
 
—

 
(1,410
)
Non-cash items
—

 
(272
)
 
(272
)
Liability, March 31, 2014
$
—

 
$
—

 
$
—