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Commitments and Contingencies (Tables)
12 Months Ended
Jul. 31, 2017
Commitments and Contingencies Disclosure [Abstract]  
Schedule of future minimum lease commitments under noncancelable capital and operating leases
The future minimum lease commitments for the next five fiscal years, under non-cancelable capital and operating leases with initial or remaining lease terms in excess of one year were as follows:
Years Ending July 31, (In thousands)
 
Capital Leases
 
Operating Leases
2018
 
$
1,153

 
$
28,126

2019
 
966

 
23,364

2020
 
30

 
17,285

2021
 
13

 
14,409

2022
 

 
10,147

Thereafter
 

 
59,436

Subtotal
 
2,162

 
152,767

Less: Amount relating to interest
 
(97
)
 

Total
 
$
2,065

 
$
152,767