Annual report pursuant to Section 13 and 15(d)

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

v3.5.0.2
Summary of Financial Information by Reportable Segment and Product Line (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Aug. 31, 2016
Aug. 31, 2015
Aug. 31, 2014
Segment Reporting Information [Line Items]      
Net sales $ 1,149,410 $ 1,249,254 $ 1,399,862
Operating profit (loss) (100,217) 53,554 203,108
Depreciation and amortization 47,777 53,239 60,635
Capital Expenditure 20,209 22,516 41,857
Assets 1,442,538 1,636,917  
Integrated Solutions [Member]      
Segment Reporting Information [Line Items]      
Net sales 44,985 47,294 52,962
Industrial Tools [Member]      
Segment Reporting Information [Line Items]      
Net sales 314,832 355,170 360,940
Industrial      
Segment Reporting Information [Line Items]      
Net sales 359,817 402,464 413,901
Operating profit (loss) 79,773 105,652 120,250
Depreciation and amortization 8,175 8,257 7,597
Capital Expenditure 2,570 1,249 3,349
Assets 308,222 293,738  
Energy Maintenance & Integrity [Member]      
Segment Reporting Information [Line Items]      
Net sales 278,881 246,357 267,500
Other Energy Solutions [Member]      
Segment Reporting Information [Line Items]      
Net sales 113,849 165,518 194,869
Energy      
Segment Reporting Information [Line Items]      
Net sales 392,731 411,875 462,368
Operating profit (loss) (107,528) (41,351) 56,412
Depreciation and amortization 21,944 26,532 33,983
Capital Expenditure 9,355 11,864 26,787
Assets 479,169 601,521  
On-Highway [Member]      
Segment Reporting Information [Line Items]      
Net sales 209,575 220,889 272,201
Agriculture, Off-Highway and Other [Member]      
Segment Reporting Information [Line Items]      
Net sales 187,287 214,026 251,391
Engineered Solutions      
Segment Reporting Information [Line Items]      
Net sales 396,862 434,915 523,592
Operating profit (loss) (42,991) 19,789 55,430
Depreciation and amortization 15,910 16,652 17,602
Capital Expenditure 5,974 8,472 8,763
Assets 493,840 588,200  
General Corporate      
Segment Reporting Information [Line Items]      
Operating profit (loss) (29,471) (30,536) (28,984)
Depreciation and amortization 1,749 1,798 1,453
Capital Expenditure 2,310 931 $ 2,958
Assets $ 161,307 $ 153,458