Quarterly report pursuant to Section 13 or 15(d)

Acquisitions Acquisitions (Details)

v3.8.0.1
Acquisitions Acquisitions (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Dec. 02, 2017
Feb. 28, 2018
Feb. 28, 2018
Feb. 28, 2017
Dec. 01, 2017
Business Acquisition [Line Items]          
Cash paid for business acquisitions, Net of Cash Acquired     $ 16,517 $ 0  
Goodwill, Acquired During Period     8,856    
Net sales   $ 1,900 1,900    
Mirage Machines [Member] [Member]          
Business Acquisition [Line Items]          
Business Acquisition, Date of Acquisition Agreement Dec. 01, 2017        
Cash paid for business acquisitions, Net of Cash Acquired $ 16,500        
Goodwill, Acquired During Period $ 8,900        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill         $ 4,126
Acquisition Costs, Period Cost     $ 300    
Mirage Machines [Member] [Member] | Tradenames          
Business Acquisition [Line Items]          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill         2,300
Customer relationships          
Business Acquisition [Line Items]          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill         $ 1,800