Quarterly report pursuant to Section 13 or 15(d)

Rollforward of Accrued Product Warranty Reserve (Details)

v2.4.1.9
Rollforward of Accrued Product Warranty Reserve (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Feb. 28, 2015
Feb. 28, 2014
Movement in Standard Product Warranty Accrual [Roll Forward]    
Beginning balance $ 4,056us-gaap_ProductWarrantyAccrual $ 7,413us-gaap_ProductWarrantyAccrual
Provision for warranties 2,837us-gaap_ProductWarrantyAccrualWarrantiesIssued 1,208us-gaap_ProductWarrantyAccrualWarrantiesIssued
Warranty payments and costs incurred (2,418)us-gaap_ProductWarrantyAccrualPayments (3,079)us-gaap_ProductWarrantyAccrualPayments
Impact of changes in foreign currency rates (231)us-gaap_ProductWarrantyAccrualCurrencyTranslationIncreaseDecrease 63us-gaap_ProductWarrantyAccrualCurrencyTranslationIncreaseDecrease
Ending balance $ 4,244us-gaap_ProductWarrantyAccrual $ 5,605us-gaap_ProductWarrantyAccrual