Subsequent Events	6 Months Ended
Mar. 31, 2022
Subsequent Events [Abstract]
Subsequent Events	16. Subsequent Events Acquisition of Intland Software On April 29, 2022, we acquired Intland Software, GmbH, and Eger Invest GmbH (together, “Intland Software”) pursuant to a Share Sale and Purchase Agreement. Intland Software develops and markets the Codebeamer^® Application Lifecycle Management (ALM) family of software products. We paid approximately $280 million for Intland Software, net of cash acquired. Borrowings under Credit Facility In April 2022, we borrowed $264 million under our existing credit facility to acquire Intland Software, bringing our total outstanding indebtedness to approximately $1.5 billion.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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