Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6613-128477

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6578-128477

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

DESCRIPTION OF BUSINESS - Narrative (Details) $ in Millions	3 Months Ended		6 Months Ended
DESCRIPTION OF BUSINESS - Narrative (Details) $ in Millions	Mar. 31, 2022 USD ($) patent	Mar. 31, 2021 patent	Mar. 31, 2022 USD ($)
Business Acquisition [Line Items]
Number of new patent portfolios acquired \| patent	0	1
Maximum
Business Acquisition [Line Items]
Business Combinations, Ideal Market Value For Future Acquisitions	$ 2,000.0
Minimum
Business Acquisition [Line Items]
Business Combinations, Ideal Market Value For Future Acquisitions	$ 1,000.0
Printronix
Business Acquisition [Line Items]
Purchase price			$ 37.0
Business combination, initial cash payment			33.0
Working capital adjustment			$ 4.0