Annual report pursuant to Section 13 and 15(d)

Reconciliation of Changes in Accrued Product Warranty (Detail)

v3.10.0.1
Reconciliation of Changes in Accrued Product Warranty (Detail) - USD ($)
$ in Thousands
12 Months Ended
Aug. 31, 2018
Aug. 31, 2017
Accounting Policies [Abstract]    
Accounts Receivable, allowance for doubtful accounts $ 5,400 $ 11,200
Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward]    
Beginning balance 6,616 5,592
Standard and Extended Product Warranty Accrual, Increase for Warranties Issued 5,522 5,608
Warranty payments and costs incurred (7,263) (4,714)
Standard and Extended Product Warranty Accrual, Decrease for Business Divestitures (376) 0
Standard and Extended Product Warranty Accrual, Foreign Currency Translation Gain (Loss) (82) 130
Ending balance $ 4,417 $ 6,616