Annual report pursuant to Section 13 and 15(d)

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

v3.10.0.1
Summary of Financial Information by Reportable Segment and Product Line (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Aug. 31, 2018
Aug. 31, 2017
Aug. 31, 2016
Segment Reporting Information [Line Items]      
Net sales $ 1,182,611 $ 1,095,784 $ 1,149,410
Operating profit (loss) 18,198 (50,236) (100,217)
Depreciation and amortization 40,707 43,110 47,777
Capital Expenditure 20,870 28,195 20,209
Assets 1,481,338 1,516,955  
Impairment and divestiture charges 73,058 116,979  
Impairment charge     186,511
Products [Member]      
Segment Reporting Information [Line Items]      
Net sales 439,405 396,381 400,780
Service & Rental [Member]      
Segment Reporting Information [Line Items]      
Net sales 151,680 156,201 187,427
Industrial Tools & Services [Member] [Domain]      
Segment Reporting Information [Line Items]      
Net sales 591,085 552,582 588,207
Operating profit (loss) 99,432 95,825 119,922
Depreciation and amortization 15,301 15,025 15,173
Capital Expenditure 7,799 8,614 5,502
Assets 589,932 599,321  
On-Highway [Member]      
Segment Reporting Information [Line Items]      
Net sales 248,083 215,831 209,575
Agriculture, Off-Highway and Other [Member]      
Segment Reporting Information [Line Items]      
Net sales 215,487 190,604 187,287
Rope & Cable Solutions [Member]      
Segment Reporting Information [Line Items]      
Net sales 76,011 65,169 73,813
Concrete Tensioning [Member]      
Segment Reporting Information [Line Items]      
Net sales 49,198 52,889 50,491
Off-Shore Mooring [Member]      
Segment Reporting Information [Line Items]      
Net sales 2,747 18,709 40,037
Engineered Components & Systems [Member] [Domain]      
Segment Reporting Information [Line Items]      
Net sales 591,526 543,202 561,203
Operating profit (loss) (51,982) (113,030) (190,654)
Depreciation and amortization 23,424 26,072 30,855
Capital Expenditure 11,653 16,884 12,397
Assets 657,370 713,083  
Impairment and divestiture charges 73,058 117,000  
Impairment charge     186,634
General Corporate      
Segment Reporting Information [Line Items]      
Operating profit (loss) (29,252) (33,031) (29,485)
Depreciation and amortization 1,982 2,013 1,749
Capital Expenditure 1,418 2,697 $ 2,310
Assets $ 234,036 $ 204,551