Annual report pursuant to Section 13 and 15(d)

Valuation and Qualifying Accounts (Detail)

v3.10.0.1
Valuation and Qualifying Accounts (Detail) - USD ($)
$ in Thousands
12 Months Ended
Aug. 31, 2018
Aug. 31, 2017
Aug. 31, 2016
Movement in Valuation Allowances and Reserves [Roll Forward]      
Valuation Allowances and Reserves, Additions for Charges to Cost and Expense $ 18,100 $ 15,100  
Deductions Accounts Written Off Less Recoveries (12,800) (600)  
Allowance for losses -Trade accounts receivable      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Beginning Balance 11,229 7,762 $ 3,970
Valuation Allowances and Reserves, Additions for Charges to Cost and Expense 1,389 3,112 2,274
Additions Acquired/ (Divested)/ (Discontinued) 76 1,452 3,090
Deductions Accounts Written Off Less Recoveries (6,856) (1,422) (1,580)
Other (437) 325 8
Ending Balance 5,401 11,229 7,762
Valuation Allowance of Deferred Tax Assets      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Beginning Balance 22,671 8,147 8,053
Valuation Allowances and Reserves, Additions for Charges to Cost and Expense 25,209 15,144 852
Additions Acquired/ (Divested)/ (Discontinued) 0 0 0
Deductions Accounts Written Off Less Recoveries (12,804) (620) (1,026)
Other 0 0 268
Ending Balance $ 35,076 $ 22,671 $ 8,147