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Acquisitions - Additional Information (Details) - USD ($)
$ in Thousands
 3 Months Ended
Jul. 31, 2017
Mar. 31, 2018
Mar. 31, 2017
Business Acquisition [Line Items]      
Strategic Transaction Costs   $ 94 $ 1,337
Globe Holding Company LLC      
Business Acquisition [Line Items]      
Voting interest acquired (percentage) 100.00%    
All-cash transaction value $ 215,000    
Working capital adjustment 1,400    
Estimated future amortization expense, remainder of fiscal year   3,100  
Estimated future amortization expense, year 1   4,100  
Finite-Lived Intangible Assets, Amortization Expense, Year Four   3,200  
Estimated future amortization expense, year 2   4,100  
Estimated future amortization expense, year 3   4,100  
Estimated future depreciation expense, remainder of fiscal year   800  
Estimated future depreciation expense, year 1   1,000  
Estimated future depreciation expense, year 2   1,000  
Estimated future depreciation expense, year 3   1,000  
Estimated future depreciation expense, year 4   1,000  
Goodwill $ 74,500    
Sales   28,900  
Net income   $ 3,500  
Distributor relationships | Globe Holding Company LLC      
Business Acquisition [Line Items]      
Acquired intangible assets, amortization period 20 years    
Acquired technology and other intangible assets | Globe Holding Company LLC      
Business Acquisition [Line Items]      
Acquired intangible assets, amortization period 5 years