DERIVATIVES AND HEDGING - Fair Value of Our Derivative Instruments and the Associated Notional Amounts (Details) - Designated as Hedging Instrument £ in Thousands, $ in Thousands	Jul. 31, 2021 USD ($)	Jul. 31, 2021 GBP (£)	Jul. 31, 2020 USD ($)
Derivative [Line Items]
Notional	$ 524,037		$ 673,400
Fair Value in Other Current Liabilities	11,508		24,840
Foreign currency forward contracts
Derivative [Line Items]
Notional	41,899	£ 30,000	0
Fair Value in Other Current Liabilities	88		0
Interest rate swap agreements
Derivative [Line Items]
Notional	482,138		673,400
Fair Value in Other Current Liabilities	$ 11,420		$ 24,840

Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (a),(c)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226003-175313

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant