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Income Taxes - Narrative (Details) - USD ($)
12 Months Ended
Feb. 28, 2019
Feb. 28, 2018
Feb. 28, 2017
Income Tax Disclosure [Abstract]      
Provisional tax expense   $ 17,900,000  
Foreign earnings repatriated $ 40,000,000    
Undistributed earnings of foreign subsidiaries 28,100,000    
Net increase in valuation allowance 700,000    
U S tax liability for income generated In Macau 0    
Unrecognized tax benefits that would affect effective tax rate if recognized 3,200,000    
Liability for tax-related interest and penalties included in unrecognized tax benefits 600,000 1,100,000  
Tax-related interest and penalties expense included in provisions for income tax $ 500,000 $ 500,000 $ 600,000