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Restructuring Plans (Additional Information) (Details) (USD $)
3 Months Ended 3 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended
Jun. 30, 2013
Jul. 01, 2012
Mar. 31, 2013
Jun. 30, 2013
European Operations
Mar. 31, 2013
European Operations
Jun. 30, 2013
European Operations
Restructuring Twenty Thirteen Actions
Mar. 31, 2013
European Operations
Restructuring Charges
Employee
Mar. 31, 2012
Europe
Mar. 31, 2013
German Operation
Mar. 31, 2012
German Operation
Employee
Jun. 30, 2013
German Operation
Mar. 31, 2013
China Facilities
Jun. 30, 2013
China Facilities
Restructuring Charges
Jul. 01, 2012
China Facilities
Restructuring Charges
Mar. 31, 2013
China Facilities
Restructuring Charges
Restructuring Cost and Reserve [Line Items]                              
Expected reduction in number of employees             130     85          
Severance-related costs             $ 8,100,000   $ 3,600,000           $ 3,400,000
Restructuring charges incurred to date               5,178,000 3,545,000            
Charges related to restructuring plan   421,000     952,000     4,579,000   3,346,000          
Restructuring reserve 1,230,000   1,959,000     954,000         188,000   88,000    
Restructuring charges 421,000 370,000   0 3,998,000                   2,691,000
Restructuring charges, non-cash charges related to the write-off of fixed assets and inventory         1,399,000             2,290,000      
Restructuring charges, cash charges related to employee severance and other charges       1,073 2,599,000             401,000 92 221  
Expected additional restructuring charges             $ 2,700,000               $ 700,000