Quarterly report pursuant to Section 13 or 15(d)

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

v3.6.0.2
Summary of Financial Information by Reportable Segment and Product Line (Details)
$ in Thousands
 3 Months Ended 9 Months Ended
Nov. 30, 2016
USD ($)
Nov. 30, 2015
USD ($)
May 31, 2016
Segment
Aug. 31, 2016
USD ($)
Segment Reporting Information [Line Items]        
Number of reportable segments | Segment     3  
Net sales $ 265,793 $ 305,011    
Operating profit (Loss) 8,471 25,371    
Assets 1,421,716     $ 1,438,660
Industrial        
Segment Reporting Information [Line Items]        
Net sales 87,290 88,870    
Operating profit (Loss) 18,776 20,554    
Assets 308,313     308,222
Industrial Tools        
Segment Reporting Information [Line Items]        
Net sales 79,039 79,733    
Integrated Solutions        
Segment Reporting Information [Line Items]        
Net sales 8,251 9,137    
Energy        
Segment Reporting Information [Line Items]        
Net sales 84,646 113,764    
Operating profit (Loss) 3,210 10,094    
Assets 511,555     479,169
Energy Maintenance & Integrity        
Segment Reporting Information [Line Items]        
Net sales 64,821 78,835    
Other Energy Solutions [Member]        
Segment Reporting Information [Line Items]        
Net sales 19,825 34,929    
Engineered Solutions        
Segment Reporting Information [Line Items]        
Net sales 93,857 102,377    
Operating profit (Loss) 755 3,522    
Assets 483,289     493,840
On-Highway        
Segment Reporting Information [Line Items]        
Net sales 51,630 54,075    
Agriculture, Off-Highway and Other        
Segment Reporting Information [Line Items]        
Net sales 42,227 48,302    
General Corporate        
Segment Reporting Information [Line Items]        
Operating profit (Loss) (14,270) $ (8,799)    
Assets $ 118,559     $ 157,429