XML 36 R40.htm IDEA: XBRL DOCUMENT v3.3.0.814
Acquisitions - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Jul. 31, 2015
Feb. 05, 2015
Sep. 25, 2015
Sep. 26, 2014
Sep. 25, 2015
Sep. 26, 2014
Feb. 28, 2015
Business Acquisition [Line Items]              
Business acquisition, potential cash earn-out payments     $ 1,280,000   $ 1,280,000    
Fair value of common stock per share $ 7.64            
Goodwill amortization period         15 years    
Net sales     122,816,000 $ 117,041,000 $ 365,683,000 $ 393,942,000  
Operating income     3,079,000 (3,963,000) 9,155,000 13,258,000  
Amortization of finite lived intangibles     1,600,000 $ 1,200,000 4,042,000 $ 3,663,000  
Miconex [Member]              
Business Acquisition [Line Items]              
Cash paid for acquisition $ 15,000,000            
Business acquisition, potential cash earn-out payments $ 1,300,000            
Business acquisition, potential cash payments period 2 years            
Percentage of shareholding interest acquired 100.00%            
Purchase price allocated $ 20,097,000            
Stock consideration for acquisition 3,800,000            
Net sales     5,200,000   5,200,000    
Operating income     400,000   400,000    
Amortization of finite lived intangibles     200,000   200,000    
Miconex [Member] | Maximum [Member]              
Business Acquisition [Line Items]              
Business acquisition, potential cash earn-out payments $ 4,000,000            
Miconex [Member] | Common Stock [Member]              
Business Acquisition [Line Items]              
Shares of newly issued common stock 500,000            
Miconex [Member] | General and administrative [Member]              
Business Acquisition [Line Items]              
Acquisition costs         400,000    
Marchi Thermal Systems Inc [Member]              
Business Acquisition [Line Items]              
Cash paid for acquisition   $ 29,900,000          
Shares of newly issued common stock   1,437,500          
Percentage of shareholding interest acquired   100.00%          
Purchase price allocated             $ 43,740,000
Net sales     3,900,000   10,100,000    
Operating income     1,700,000   4,400,000    
Amortization of finite lived intangibles     700,000   1,700,000    
Acquisition costs   $ 200,000          
Total purchase price   43,700,000          
Amount borrowed to finance cash portion of acquisition   $ 29,700,000          
Marchi Thermal Systems Inc [Member] | General and administrative [Member]              
Business Acquisition [Line Items]              
Acquisition costs         200,000    
Marchi Thermal Systems Inc And Miconex Sro [Member]              
Business Acquisition [Line Items]              
Acquisition related costs     $ 600,000   $ 600,000