OTHER INCOME (EXPENSE)	12 Months Ended
Sep. 30, 2020
Other Income and Expenses [Abstract]
OTHER INCOME (EXPENSE)	OTHER INCOME (EXPENSE) For the year ended September 30, 2020, 2019 and 2018, Other income (expense) from continuing operations of $1,445, $3,127 and $4,880, respectively, includes $915, $438 and $200, respectively, of net currency exchange transaction losses from receivables and payables held in non-functional currencies, $184, $(40) and $1,184, respectively, of net gains or (losses) on investments, and $1,559 and $3,148 and $3,649, respectively, of net periodic benefit plan income. Additionally, in 2020, Other income (expense) also includes a one-time technology recognition award for $700.

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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