Goodwill and Other Intangibles (Tables)
6 Months Ended
Jan. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense
Estimated intangible amortization for the next five fiscal years is as follows (in thousands):
2018
$
1,014

2019
$
827

2020
$
657

2021
$
473

2022
$
323