Annual report pursuant to Section 13 and 15(d)

Valuation and Qualifying Accounts (Detail)

v3.8.0.1
Valuation and Qualifying Accounts (Detail) - USD ($)
$ in Thousands
12 Months Ended
Aug. 31, 2017
Aug. 31, 2016
Aug. 31, 2015
Movement in Valuation Allowances and Reserves [Roll Forward]      
Valuation Allowances and Reserves, Additions for Charges to Cost and Expense $ 15,100    
Allowance for losses -Trade accounts receivable      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Beginning Balance 7,762 $ 3,970 $ 6,034
Valuation Allowances and Reserves, Additions for Charges to Cost and Expense 3,112 2,274 1,633
Additions Acquired/ (Divested)/ (Discontinued) 1,452 3,090 0
Deductions Accounts Written Off Less Recoveries (1,422) (1,580) (2,742)
Other 325 8 (955)
Ending Balance 11,229 7,762 3,970
Valuation Allowance of Deferred Tax Assets      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Beginning Balance 8,147 8,053 5,608
Valuation Allowances and Reserves, Additions for Charges to Cost and Expense 15,144 852 5,694
Additions Acquired/ (Divested)/ (Discontinued) 0 0 0
Deductions Accounts Written Off Less Recoveries (620) (1,026) (2,254)
Other 0 268 (995)
Ending Balance $ 22,671 $ 8,147 $ 8,053