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Pension - Additional Information (Detail) (USD $)
1 Months Ended 3 Months Ended
Sep. 30, 2013
Dec. 31, 2013
Mar. 29, 2013
CompensationPlan
Pension And Other Postretirement Benefits Disclosure [Line Items]      
Number of Defined Benefit Pension Plans     2
Expected amount of future benefit obligation $ 6,102,000    
Contribution benefit paid 300,000 200,000  
Lapis Semiconductor Co Ltd | Noncurrent Assets
     
Pension And Other Postretirement Benefits Disclosure [Line Items]      
Plan assets $ 1,900,000