Quarterly report pursuant to Section 13 or 15(d)

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

v3.7.0.1
Summary of Financial Information by Reportable Segment and Product Line (Details)
$ in Thousands
 3 Months Ended 6 Months Ended
Feb. 28, 2017
USD ($)
Feb. 29, 2016
USD ($)
Feb. 28, 2017
USD ($)
Segment
Feb. 29, 2016
USD ($)
Aug. 31, 2016
USD ($)
Segment Reporting Information [Line Items]          
Asset Impairment Charges $ 0 $ 186,511 $ 0 $ 186,511  
Number of reportable segments | Segment     3    
Net sales 258,869 263,289 $ 524,662 568,300  
Operating profit (Loss) 13,199 (172,115) 21,670 (146,744)  
Assets 1,427,034   1,427,034   $ 1,438,660
Industrial Tools [Member]          
Segment Reporting Information [Line Items]          
Net sales 78,679 72,095 157,718 151,828  
Industrial          
Segment Reporting Information [Line Items]          
Net sales 91,648 81,188 178,938 170,059  
Operating profit (Loss) 18,380 16,728 37,155 37,283  
Assets 310,197   310,197   308,222
Heavy Lifting Technology [Member]          
Segment Reporting Information [Line Items]          
Net sales 12,969 9,093 21,220 18,231  
Energy          
Segment Reporting Information [Line Items]          
Asset Impairment Charges   140,900   140,900  
Net sales 72,884 86,225 157,530 199,987  
Operating profit (Loss) (579) (136,766) 2,632 (126,673)  
Assets 501,824   501,824   479,169
Energy Maintenance & Integrity          
Segment Reporting Information [Line Items]          
Net sales 51,590 58,551 116,411 137,385  
Other Energy Solutions [Member]          
Segment Reporting Information [Line Items]          
Net sales 21,294 27,674 41,119 62,602  
Engineered Solutions          
Segment Reporting Information [Line Items]          
Asset Impairment Charges   45,700   45,700  
Net sales 94,337 95,876 188,194 198,254  
Operating profit (Loss) 1,816 (45,116) 2,571 (41,594)  
Assets 490,814   490,814   493,840
On-Highway          
Segment Reporting Information [Line Items]          
Net sales 50,611 49,434 102,242 103,510  
Agriculture, Off-Highway and Other          
Segment Reporting Information [Line Items]          
Net sales 43,726 46,442 85,952 94,744  
General Corporate          
Segment Reporting Information [Line Items]          
Operating profit (Loss) (6,418) $ (6,961) (20,688) $ (15,760)  
Assets $ 124,199   $ 124,199   $ 157,429