INCOME TAXES (Details Textuals) - USD ($) $ in Millions	1 Months Ended	2 Months Ended	3 Months Ended
Jan. 31, 2018	Dec. 21, 2017	Jan. 31, 2019	Jan. 31, 2018
Income Tax Disclosure [Abstract]
Federal Statutory Income Tax Rate	21.00%	35.00%
Effective Income Tax Rate, Continuing Operations			4.50%	4.70%
Tax benefit from stock option exercises recognized in the period			$ 14.4
Transition Tax Expense from Unremitted Earnings from Foreign Subsidiaries				$ 11.9

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration