DEFINED BENEFIT PENSION PLANS - Aggregate Change in Benefit Obligation and Plan Assets (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2020	Jul. 31, 2019
Change in benefit obligation
Service cost	$ 185	$ 365
Interest cost	543	633
Pension Plan
Change in benefit obligation
Benefit obligation at beginning of year	34,538	29,849
Service cost	185	365
Interest cost	543	633
Actuarial (gain) loss	(691)	5,125
Employee contributions	28	72
Benefits and administrative expenses paid	(212)	(197)
Adjustments	0	(20)
Effect of curtailment	(2,390)	0
Currency translation	1,926	(1,289)
Benefit obligation at end of year	33,927	34,538
Change in plan assets
Fair value of plan assets at beginning of year	27,267	22,860
Actual return on plan assets	476	5,136
Employer contributions, net	(39)	422
Employee contributions	28	73
Settlements	0	(19)
Benefits and administrative expenses paid	(212)	(197)
Currency translation	1,530	(1,008)
Fair value of plan assets at end of year	29,050	27,267
Funded status
Current liabilities	(31)	(13)
Noncurrent liabilities	(4,846)	(7,259)
Net amounts recognized on the consolidated balance sheet	$ (4,877)	$ (7,272)