Annual report pursuant to Section 13 and 15(d)

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

v3.3.0.814
Summary of Financial Information by Reportable Segment and Product Line (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Aug. 31, 2015
Aug. 31, 2014
Aug. 31, 2013
Segment Reporting Information [Line Items]      
Net sales $ 1,249,254 $ 1,399,862 $ 1,279,742
Operating profit (loss) 53,554 203,108 190,145
Depreciation and amortization 53,239 60,635 53,902
Capital Expenditure 22,516 41,857 23,668
Assets 1,636,917 1,856,879  
Industrial      
Segment Reporting Information [Line Items]      
Net sales 402,464 413,902 422,620
Operating profit (loss) 105,652 120,250 117,644
Depreciation and amortization 8,257 7,597 8,553
Capital Expenditure 1,249 3,349 3,524
Assets 293,738 307,058  
Energy      
Segment Reporting Information [Line Items]      
Net sales 411,875 462,368 363,372
Operating profit (loss) (41,351) 56,412 63,280
Depreciation and amortization 26,532 33,983 18,451
Capital Expenditure 11,864 26,787 9,417
Assets 601,521 788,915  
Engineered Solutions      
Segment Reporting Information [Line Items]      
Net sales 434,915 523,592 493,750
Operating profit (loss) 19,789 55,430 40,328
Depreciation and amortization 16,652 17,602 16,949
Capital Expenditure 8,472 8,763 7,001
Assets 588,200 643,323  
General Corporate      
Segment Reporting Information [Line Items]      
Operating profit (loss) (30,536) (28,984) (31,107)
Depreciation and amortization 1,798 1,453 2,145
Capital Expenditure 931 2,956 867
Assets 153,458 117,583  
Vehicle Systems      
Segment Reporting Information [Line Items]      
Net sales 220,889 272,201 253,073
Other      
Segment Reporting Information [Line Items]      
Net sales 214,026 251,391 240,677
Discontinued Operations      
Segment Reporting Information [Line Items]      
Depreciation and Amortization, Discontinued Operations 0 0 7,804
Capital Expenditure $ 0 $ 2 $ 2,859