v3.4.0.3
Acquisitions - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Dec. 09, 2015
Dec. 15, 2014
Apr. 01, 2016
Apr. 01, 2016
Apr. 03, 2015
Jan. 01, 2016
FiBest Limited [Member]            
Business Acquisition [Line Items]            
Date of acquisition       Dec. 09, 2015    
Aggregate consideration payable $ 59,100          
Business acquisition cost of acquired entity, cash paid 47,500          
Debt assumed on acquisition $ 11,600   $ 11,627 $ 11,627    
Weighted-average life of identified intangible assets acquired       9 years 4 months 24 days    
FiBest Limited [Member] | Selling, General and Administrative [Member]            
Business Acquisition [Line Items]            
Business combination acquisition related costs     100 $ 2,700    
Aeroflex/Metelics Inc [Member]            
Business Acquisition [Line Items]            
Date of acquisition       Dec. 14, 2015    
Business acquisition cost of acquired entity, cash paid       $ 38,000    
Weighted-average life of identified intangible assets acquired       9 years 9 months 18 days    
Adjustment to inventory resulting in reduced current assets acquired     $ 1,800      
Aeroflex/Metelics Inc [Member] | Selling, General and Administrative [Member]            
Business Acquisition [Line Items]            
Business combination acquisition related costs       $ 500    
BinOptics Corporation [Member]            
Business Acquisition [Line Items]            
Date of acquisition       Dec. 15, 2014    
Aggregate consideration payable   $ 208,400        
Debt assumed on acquisition           $ 2,535
Weighted-average life of identified intangible assets acquired       9 years 7 months 6 days    
Business combination cash on hand and incurrence of additional borrowing   100,000        
BinOptics Corporation [Member] | Selling, General and Administrative [Member]            
Business Acquisition [Line Items]            
Business combination acquisition related costs         $ 4,100  
Retention Escrow Agreement [Member]            
Business Acquisition [Line Items]            
Aggregate consideration payable         $ 14,600  
Retention Escrow Agreement [Member] | BinOptics Corporation [Member]            
Business Acquisition [Line Items]            
Aggregate consideration payable   $ 14,600