Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation Basis of Presentation (Details)

v3.10.0.1
Basis of Presentation Basis of Presentation (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
May 31, 2018
May 31, 2018
Aug. 31, 2017
Accounting Policies [Abstract]      
Adjustments to Additional Paid in Capital, Income Tax Deficiency from Share-based Compensation $ 100 $ 1,600  
Excess Tax Benefit from Share-based Compensation, Operating Activities   600  
Condensed Statement of Income Captions [Line Items]      
AOCI - Foreign Currency Translation Adjustment, net of tax 145,319 145,319 $ 207,804
AOCI - Pension and other postretirement benefit plans, net of tax 18,861 18,861 19,457
Total shareholders’ equity (601,028) (601,028) (500,539)
AOCI Attributable to Parent [Member]      
Condensed Statement of Income Captions [Line Items]      
Total shareholders’ equity $ 164,180 $ 164,180 $ 227,261