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Warranty Accruals
 3 Months Ended
Nov. 30, 2019
Warranty Accruals
Note 8 – Warranty Accruals
Warranty costs are estimated and charged to operations to cover a defined warranty period. The estimated warranty cost is based on the history of warranty claims for each particular product type. For new product types without a warranty history, preliminary estimates are based on historical information for similar product types. The warranty accruals, included in Accounts payable and accrued liabilities on the Consolidated Balance Sheets, are reviewed periodically and updated based on warranty trends and expirations of warranty periods.
Warranty accrual activity:
                 
 
Three Months Ended
November 30,
 
(In thousands)
 
2019
   
2018
 
Balance at beginning of period
  $
46,678
     $
27,395
 
Charged to cost of revenue, net
   
2,378
      
1,441
 
Payments
   
(1,999
 )    
(2,184
 )
Currency translation effect
   
53
      
(388
 )
                 
Balance at end of period
  $
47,110
    $
26,264