XML 32 R87.htm IDEA: XBRL DOCUMENT v3.3.0.814
Warranties (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Aug. 31, 2015
Aug. 31, 2014
Aug. 31, 2013
Warranties [Abstract]      
Warranty costs $ 2.8 $ 6.4 $ 6.9