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Business and Product Line Acquisitions - Additional Information (Detail) - USD ($)
$ in Thousands
1 Months Ended
Sep. 01, 2017
Dec. 27, 2016
Dec. 01, 2016
Jan. 31, 2018
Quat-Chem Ltd.        
Business Acquisition [Line Items]        
Cash consideration for purchase of business     $ 21,606  
Contingent consideration potential payment     3,778  
Purchase price allocation for accounts receivable     4,684  
Purchase price allocation for inventory     1,243  
Purchase price allocation for land, property and equipment     2,526  
Purchase price allocation for accounts payable     2,197  
Purchase price allocation for deferred tax liability     1,133  
Allocation of purchase price for contingent consideration potential payment     1,058  
Purchase price allocation for other current liabilities     604  
Purchase price allocation for non-amortizable intangible assets     1,889  
Purchase price allocation for intangible assets     $ 6,900  
Cash paid for contingent consideration       $ 249
Contingent consideration payable       554
Quat-Chem Ltd. | Other Income        
Business Acquisition [Line Items]        
Change in contingent consideration payable       $ 255
Quat-Chem Ltd. | Minimum        
Business Acquisition [Line Items]        
Finite lived intangible assets, useful life     5 years  
Quat-Chem Ltd. | Maximum        
Business Acquisition [Line Items]        
Finite lived intangible assets, useful life     15 years  
Rogama Industria e Comercio, Ltda.        
Business Acquisition [Line Items]        
Cash consideration for purchase of business   $ 12,428    
Contingent consideration potential payment   2,069    
Purchase price allocation for accounts receivable   1,866    
Purchase price allocation for inventory   960    
Purchase price allocation for land, property and equipment   4,734    
Allocation of purchase price for contingent consideration potential payment   213    
Purchase price allocation for non-amortizable intangible assets   870    
Purchase price allocation for intangible assets   5,112    
Purchase price allocation for current liabilities   2,562    
Purchase price allocation for Non-current deferred tax liability   1,307    
Purchase price allocation for other non-current assets   $ 26    
Rogama Industria e Comercio, Ltda. | Minimum        
Business Acquisition [Line Items]        
Finite lived intangible assets, useful life   5 years    
Rogama Industria e Comercio, Ltda. | Maximum        
Business Acquisition [Line Items]        
Finite lived intangible assets, useful life   15 years    
The University of Queensland Animal Genetics Laboratory        
Business Acquisition [Line Items]        
Cash consideration for purchase of business $ 468      
Purchase price allocation for inventory 19      
Purchase price allocation for land, property and equipment 419      
Purchase price allocation for intangible assets 850      
Consideration for purchase of business 2,063      
Purchase price allocation for non-current liabilities $ 1,629      
The University of Queensland Animal Genetics Laboratory | Minimum        
Business Acquisition [Line Items]        
Finite lived intangible assets, useful life 5 years      
The University of Queensland Animal Genetics Laboratory | Maximum        
Business Acquisition [Line Items]        
Finite lived intangible assets, useful life 15 years