XML 55 R44.htm IDEA: XBRL DOCUMENT v3.8.0.1
Equity (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jan. 31, 2018
Jan. 31, 2017
Jan. 31, 2018
Jan. 31, 2017
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning Balance     $ 154,557  
Dividends declared ($0.38 per share)     (9,440)  
Restricted Class B common stock purchased from employees     (61)  
Transfer of right to receive equity to Howard S. Jonas     (40)  
Consolidation of Lipomedix Pharmaceuticals Ltd.     558  
Distributions to noncontrolling interests     (717)  
Stock-based compensation     1,797  
Comprehensive income:        
Net loss $ 1,690 $ 1,257 (106) $ 23,552
Other comprehensive loss 210 419 (188) (2,466)
Comprehensive income 1,900 $ 1,676 (294) $ 21,086
Ending Balance 146,360   146,360  
Attributable to IDT Corporation [Member]        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning Balance     145,734  
Dividends declared ($0.38 per share)     (9,440)  
Restricted Class B common stock purchased from employees     (61)  
Transfer of right to receive equity to Howard S. Jonas      
Consolidation of Lipomedix Pharmaceuticals Ltd.      
Distributions to noncontrolling interests      
Stock-based compensation     1,797  
Comprehensive income:        
Net loss     (576)  
Other comprehensive loss     (188)  
Comprehensive income     (764)  
Ending Balance 137,266   137,266  
Noncontrolling Interests [Member]        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning Balance     8,823  
Dividends declared ($0.38 per share)      
Restricted Class B common stock purchased from employees      
Transfer of right to receive equity to Howard S. Jonas     (40)  
Consolidation of Lipomedix Pharmaceuticals Ltd.     558  
Distributions to noncontrolling interests     (717)  
Stock-based compensation      
Comprehensive income:        
Net loss     470  
Other comprehensive loss      
Comprehensive income     470  
Ending Balance $ 9,094   $ 9,094