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Consolidated Statement of Comprehensive Income (Unaudited) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jan. 31, 2021
Jan. 31, 2020
Jan. 31, 2021
Jan. 31, 2020
Statement of Comprehensive Income [Abstract]        
Net income $ 193,440 $ 168,707 $ 393,725 $ 386,887
Other comprehensive income:        
Foreign currency translation adjustments 21,774 (580) 14,368 12,659
Comprehensive income, net of tax:        
Comprehensive income $ 215,214 $ 168,127 $ 408,093 $ 399,546