Quarterly report pursuant to Section 13 or 15(d)

Rollforward of Accrued Product Warranty Reserve (Detail)

v2.4.0.8
Rollforward of Accrued Product Warranty Reserve (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Nov. 30, 2013
Nov. 30, 2012
Movement in Standard Product Warranty Accrual [Roll Forward]    
Beginning balance $ 7,413 $ 5,121
Provision for warranties 230 1,365
Warranty payments and costs incurred (1,232) (1,893)
Impact of changes in foreign currency rates 53 45
Ending balance $ 6,464 $ 4,638