
	September 30, 2022		March 31, 2022
Land and land improvements (1)	$	81,046	$	84,015
Buildings and leasehold improvements	645,364		654,851
Machinery and equipment	909,916		903,649
Information systems	230,571		222,620
Radioisotope	599,197		597,641
Construction in progress (1)	429,675		356,013
Total property, plant, and equipment	2,895,769		2,818,789
Less: accumulated depreciation and depletion	(1,323,371)		(1,266,213)
Property, plant, and equipment, net	$	1,572,398	$	1,552,576

(1)Land is not depreciated. Construction in progress is not depreciated until placed in service.

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