Annual report pursuant to Section 13 and 15(d)

Restructuring Charges (Details)

v3.8.0.1
Restructuring Charges (Details) - USD ($)
$ in Thousands
 12 Months Ended
Aug. 31, 2017
Aug. 31, 2016
Aug. 31, 2015
Restructuring Cost and Reserve [Line Items]      
Restructuring Reserve $ 5,637 $ 6,273 $ 0
Restructuring charges 7,228 14,571 0
Restructuring Reserve, Cash Payments (7,509) (7,519)  
Restructuring Reserve, Settled without Cash (527) (793)  
Restructuring Reserve, Foreign Currency Translation Gain (Loss) 172 14  
Industrial      
Restructuring Cost and Reserve [Line Items]      
Restructuring Reserve 202 1,343 0
Restructuring charges 1,687 3,158  
Restructuring Reserve, Cash Payments 2,384 1,772  
Restructuring Reserve, Settled without Cash 436 54  
Restructuring Reserve, Foreign Currency Translation Gain (Loss) (8) 11  
Energy      
Restructuring Cost and Reserve [Line Items]      
Restructuring Reserve 3,613 3,021 0
Restructuring charges 1,942 5,544  
Restructuring Reserve, Cash Payments 1,460 2,345  
Restructuring Reserve, Settled without Cash 41 166  
Restructuring Reserve, Foreign Currency Translation Gain (Loss) 151 (12)  
Engineered Solutions      
Restructuring Cost and Reserve [Line Items]      
Restructuring Reserve 1,792 1,863 0
Restructuring charges 3,488 5,411  
Restructuring Reserve, Cash Payments 3,582 3,199  
Restructuring Reserve, Settled without Cash 6 364  
Restructuring Reserve, Foreign Currency Translation Gain (Loss) 29 15  
Corporate Segment [Member]      
Restructuring Cost and Reserve [Line Items]      
Restructuring Reserve 30 46 $ 0
Restructuring charges 111 458  
Restructuring Reserve, Cash Payments 83 203  
Restructuring Reserve, Settled without Cash 44 209  
Restructuring Reserve, Foreign Currency Translation Gain (Loss) $ 0 $ 0