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Valuation and Qualifying Accounts (Tables)

12 Months Ended

Sep. 30, 2021

SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]

Valuation And Qualifying Accounts Disclosure Table Text Block


		Accounts Receivable Allowances				Valuation Allowances on Net Deferred Tax Assets
Balance as of September 30, 2018		$	21,211			$	112,727
Charged to costs and expenses			22,260				1,009
Charged to other accounts			2,406				6,008	(1)
Deductions			(9,756	)(3)			(34,211	)(2)

Balance as of September 30, 2019			36,121				85,533
Charged to costs and expenses			18,465				8,521
Charged to other accounts			(3,523	)			1,005	(1)
Deductions			(27,644	)(5)			(25,604	)(4)

Balance as of September 30, 2020			23,419				69,455
Charged to costs and expenses			10,345				6,382
Charged to other accounts			156				3,720	(1)
Deductions			(13,855	)(7)			(14,007	)(6)

Balance as of September 30, 2021		$	20,065			$	65,550

(1)	Includes valuation allowances on deferred tax assets incurred in connection with an acquisition.

(2)	$7,588 of valuation allowances on deferred tax assets were written off against the related deferred tax assets, and the remaining deductions in the valuation allowances on net deferred tax assets were released to earnings.

(3)	$3,539 of accounts receivable allowances were written off against the related accounts receivables, and the remaining deductions in the accounts receivable allowances were released to earnings.

(4)	$2,283 of valuation allowances on deferred tax assets were written off against the related deferred tax assets, and the remaining deductions in the valuation allowances on net deferred tax assets were released to earnings.

(5)	$4,969 of accounts receivable allowances were written off against the related accounts receivables, $7,089 were written off against deferred revenue and the remaining deductions in the accounts receivable allowances were released to earnings.

(6)	$1,557 of valuation allowances on deferred tax assets were written off against the related deferred tax assets, and the remaining deductions in the valuation allowances on net deferred tax assets were released to earnings.

(7)	$8,486 of accounts receivable allowances were written off against the related accounts receivables, and the remaining deductions in the accounts receivable allowances were released to earnings.