DEFINED BENEFIT PENSION PLANS - Additional Information (Detail) $ in Millions	12 Months Ended
	Jul. 31, 2020 USD ($)	Jul. 31, 2019 USD ($) pension_plan	Jul. 31, 2018 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation		$ 32.4	$ 27.7
Amount included in accumulated other comprehensive income expected to be recognized as a component of net periodic pension costs in fiscal year 2019		4.9
Market value of plan assets using Level 3 inputs		$ 27.3
Cumulative gains and losses in excess of the greater of the pension benefit obligation		10.00%
Scenario, Forecast
Defined Benefit Plan Disclosure [Line Items]
Minimum required contributions to the plans	$ 0.4
Netherlands
Defined Benefit Plan Disclosure [Line Items]
Number of pension plans | pension_plan		2
Unfunded Defined Benefit Pension Plans | Japan
Defined Benefit Plan Disclosure [Line Items]
Number of pension plans | pension_plan		1