Quarterly report pursuant to Section 13 or 15(d)

Summary of Financial Information by Reportable Segment and Product Line (Details)

v3.5.0.2
Summary of Financial Information by Reportable Segment and Product Line (Details)
$ in Thousands
 3 Months Ended 9 Months Ended
May 31, 2016
USD ($)
Feb. 29, 2016
USD ($)
May 31, 2015
USD ($)
May 31, 2016
USD ($)
Segment
May 31, 2015
USD ($)
Aug. 31, 2015
USD ($)
Segment Reporting Information [Line Items]            
Number of reportable segments | Segment       3    
Net sales $ 305,341   $ 320,100 $ 873,641 $ 948,870  
Operating profit (Loss) 28,343   43,002 (118,401) 24,773  
Assets 1,467,420     1,467,420   $ 1,636,917
Impairment charges 0 $ 186,511 0 186,511 84,353  
Industrial            
Segment Reporting Information [Line Items]            
Net sales 95,751   103,546 265,809 302,448  
Operating profit (Loss) 21,712   29,165 58,994 79,386  
Assets 299,971     299,971   293,738
Industrial Tools            
Segment Reporting Information [Line Items]            
Net sales 81,771   88,348 233,599 267,064  
Integrated Solutions            
Segment Reporting Information [Line Items]            
Net sales 13,980   15,198 32,210 35,384  
Energy            
Segment Reporting Information [Line Items]            
Net sales 101,300   99,297 301,288 311,029  
Operating profit (Loss) 10,870   12,774 (115,803) (50,457)  
Assets 508,660     508,660   601,521
Impairment charges       140,837 84,353  
Energy Maintenance & Integrity            
Segment Reporting Information [Line Items]            
Net sales 73,377   62,644 210,762 182,985  
Other Energy Solutions [Member]            
Segment Reporting Information [Line Items]            
Net sales 27,923   36,653 90,526 128,044  
Engineered Solutions            
Segment Reporting Information [Line Items]            
Net sales 108,290   117,257 306,544 335,393  
Operating profit (Loss) 3,651   8,313 (37,943) 16,601  
Assets 529,275     529,275   588,200
Impairment charges       45,674    
On-Highway            
Segment Reporting Information [Line Items]            
Net sales 58,439   59,673 161,949 170,122  
Agriculture, Off-Highway and Other            
Segment Reporting Information [Line Items]            
Net sales 49,851   57,584 144,595 165,271  
General Corporate            
Segment Reporting Information [Line Items]            
Operating profit (Loss) (7,890)   $ (7,250) (23,649) $ (20,757)  
Assets $ 129,514     $ 129,514   $ 153,458