OTHER INCOME (EXPENSE)	12 Months Ended
Sep. 30, 2021
Other Income and Expenses [Abstract]
OTHER INCOME (EXPENSE)	OTHER INCOME (EXPENSE)For the year ended September 30, 2021, 2020 and 2019, Other income (expense) from continuing operations of $3,331, $2,885 and $5,230, respectively, includes $81, $915 and $438, respectively, of net currency exchange transaction losses from receivables and payables held in non-functional currencies, $283, $184 and $(40), respectively, of net gains or (losses) on investments, and $907 and $1,559 and $3,148, respectively, of net periodic benefit plan income. Other income (expense) also includes rental income of $1,848 in 2021, 2020 and 2019.

The entire disclosure for other income or other expense items (both operating and nonoperating). Sources of nonoperating income or nonoperating expense that may be disclosed, include amounts earned from dividends, interest on securities, profits (losses) on securities, net and miscellaneous other income or income deductions.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 720
-URI http://asc.fasb.org/topic&trid=2122503

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 610
-URI http://asc.fasb.org/topic&trid=49130413

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