Quarterly report pursuant to Section 13 or 15(d)

Acquisitions (Details)

v3.20.1
Acquisitions (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jan. 07, 2020
Feb. 29, 2020
Feb. 28, 2019
Feb. 29, 2020
Feb. 28, 2019
Business Acquisition [Line Items]          
Payments to Acquire Businesses, Net of Cash Acquired       $ 33,444 $ 0
Goodwill, Acquired During Period       8,595  
Net Sales   $ 133,386 $ 159,788 280,060 $ 318,340
HTL Group [Member]          
Business Acquisition [Line Items]          
Business Acquisition, Date of Acquisition Agreement Jan. 07, 2020        
Payments to Acquire Businesses, Net of Cash Acquired $ 33,400        
Goodwill, Acquired During Period 8,600        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill 18,000        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment 7,300        
Acquisition Costs, Period Cost   $ 200   $ 200  
Net Sales 2,000        
Tradenames | HTL Group [Member]          
Business Acquisition [Line Items]          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill 3,700        
Customer relationships | HTL Group [Member]          
Business Acquisition [Line Items]          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill 13,600        
Patents | HTL Group [Member]          
Business Acquisition [Line Items]          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill $ 700