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Supplementary Balance Sheet Information Schedule of Goodwill (Details) - USD ($)
$ in Thousands
6 Months Ended
Jan. 31, 2022
Jul. 31, 2021
Jan. 31, 2021
Goodwill [Line Items]      
Goodwill $ 1,764,106 $ 1,781,047 $ 1,760,908
Goodwill, Acquired During Period 5,634    
Effects of changes in foreign currency exchange rates (22,575)    
Mountain [Member]      
Goodwill [Line Items]      
Goodwill 1,718,740 1,738,836  
Goodwill, Acquired During Period 2,479    
Effects of changes in foreign currency exchange rates (22,575)    
Lodging [Member]      
Goodwill [Line Items]      
Goodwill 45,366 $ 42,211  
Goodwill, Acquired During Period 3,155    
Effects of changes in foreign currency exchange rates $ 0