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Accumulated Other Comprehensive Loss
 12 Months Ended
Jul. 31, 2018
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Loss
 
The components and changes in accumulated other comprehensive loss for fiscal 2018, 2017 and 2016 were as follows:
 
 
Foreign Currency Translation Adjustments
Balance, August 1, 2015
$
1,224

Other comprehensive loss
(13,019
)
Balance, July 31, 2016
(11,795
)
Other comprehensive income
1,895

Balance, July 31, 2017
(9,900
)
Other comprehensive loss
(1,556
)
Balance, July 31, 2018
$
(11,456
)