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PROPERTY, PLANT AND EQUIPMENT
 3 Months Ended
Dec. 31, 2021
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT PROPERTY, PLANT AND EQUIPMENT
The following table details the components of property, plant and equipment, net:
At December 31, 2021At September 30, 2021
Land, building and building improvements$163,841 $164,486 
Machinery and equipment525,928 520,110 
Leasehold improvements40,111 39,913 
729,880 724,509 
Accumulated depreciation and amortization(439,328)(431,887)
Total$290,552 $292,622 

Depreciation and amortization expense for property, plant and equipment was $10,694 and $10,238 for the quarters ended December 31, 2021 and 2020, respectively. Depreciation included in Selling, general and administrative ("SG&A") expenses was $3,400 and $3,262 for the quarters ended December 31, 2021 and 2020. Remaining components of depreciation, attributable to manufacturing operations, are included in Cost of goods and services.