Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details)

v2.4.0.6
Subsequent Events (Details) (USD $)
12 Months Ended 0 Months Ended 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2011
May 06, 2013
Subsequent events
item
May 06, 2013
Subsequent events
Scenario forecast
Jun. 30, 2013
Subsequent events
Scenario forecast
Subsequent event            
Number of employees who will be affected by global restructuring       202    
Severance expenses $ 1,800,000          
Additional charges 18,719,000 14,254,000 7,171,000     2,600,000
Expected cash expenditures for the termination benefits         $ 4,400,000