The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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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.

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Business Combinations - Additional Information (Detail) $ in Thousands, ₪ in Millions			1 Months Ended	3 Months Ended		9 Months Ended
	Apr. 30, 2020 USD ($)	Apr. 30, 2020 ILS (₪)	Apr. 30, 2020 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Sep. 30, 2020 USD ($)
Goodwill				$ 115,315		$ 115,315		$ 114,186
Amortization of identifiable assets				2,090	$ 2,155	6,453	$ 5,604
Exalenz [Member]
Cash payment to acquire business	$ 48,237	₪ 168.6
Goodwill	24,798		$ 24,798
Amortization of identifiable assets				$ 720	$ 448	$ 2,240	$ 448
Percentage of Voting Interest				100.00%		100.00%
Business Combination Consideration Transferred	$ 56,305
Net Cash Outlay To Acquire Businesses			$ 47,392