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PROPERTY, PLANT AND EQUIPMENT
 12 Months Ended
Sep. 30, 2020
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 September 30,
2020
 
At September 30,
2019
Land, building and building improvements
$
167,005

 
$
133,036

Machinery and equipment
595,126

 
580,698

Leasehold improvements
53,386

 
49,808

 
815,517

 
763,542

Accumulated depreciation and amortization
(471,553
)
 
(426,216
)
Total
$
343,964

 
$
337,326



Except as described in Note 9, Restructuring Charges, no event or indicator of impairment occurred during the year ended September 30, 2020 which would require additional impairment testing of property, plant and equipment.