Quarterly report pursuant to Section 13 or 15(d)

Rollforward of Accrued Product Warranty Reserve (Details)

v3.8.0.1
Rollforward of Accrued Product Warranty Reserve (Details) - USD ($)
$ in Thousands
3 Months Ended
Nov. 30, 2017
Nov. 30, 2016
Movement in Standard Product Warranty Accrual [Roll Forward]    
Beginning balance $ 6,616 $ 5,592
Provision for warranties 1,531 777
Warranty reserve for acquired businesses (1,145) (2,309)
Impact of changes in foreign currency rates (8) (105)
Ending balance $ 6,994 $ 3,955