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Investments (Tables)
 6 Months Ended
Mar. 31, 2023
Investments, Debt and Equity Securities [Abstract]  
Non-Current Investments
Non-current investments consisted of the following:
 March 31, 2023September 30, 2022
Life insurance policies$4,540 $4,439 
Equity-method investments341 2,729 
Other (primarily cost-method) investments18,924 18,808 
 $23,805 $25,976 

During the second quarter of fiscal 2023, the Company purchased the remaining ownership interest in a small Industrial Technologies business, which was previously held as an equity-method investment. See Note 15, "Acquisitions."