XML 65 R54.htm IDEA: XBRL DOCUMENT v3.8.0.1
INCOME TAX (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Feb. 28, 2018
Feb. 28, 2017
Feb. 28, 2018
Feb. 28, 2017
Aug. 31, 2017
Operating Loss Carryforwards [Line Items]          
Blended federal statutory income tax rate (percent)     25.70%    
Additional income tax expense recognized for the effects of provisions of the TCJA     $ 10.6    
Bonus depreciation for certain capital expenditures (percent)     100.00%    
Tax effect or reduction to deferred tax liabilities     $ 52.3    
Effective income tax rate from continuing operations 15.00% 25.30% 19.60% 26.30%  
Statutory income tax rate     35.00% 35.00%  
Effective tax rate from discontinued operation (percent)   23.50% 36.60% 23.50%  
Net income tax payments     $ 7.7 $ 11.8  
Unrecognized income tax benefits $ 9.3   9.3   $ 9.3
Possible unrecognized income tax benefits decrease during the next twelve months 9.3   9.3    
Unrecognized income tax benefits that would reduce provisions for income taxes $ 9.3   $ 9.3    
Poland          
Operating Loss Carryforwards [Line Items]          
Statutory income tax rate     19.00%