Balance Sheet Details (Tables)

3 Months Ended

Dec. 31, 2020

Balance Sheet Details

Components of inventories

Inventories consist of the following (in thousands):

	December 31,		September 30,
	2020		2020
Finished products	$	18,503	$	14,838
Work in process and inventoried costs under long-term contracts		69,347		73,076
Materials and purchased parts		43,015		39,337
Net inventories	$	130,865	$	127,251

Components of property, plant and equipment

Significant components of property, plant and equipment are as follows (in thousands):

	December 31,		September 30,
	2020		2020
Land and land improvements	$	7,200	$	7,423
Buildings and improvements		50,166		49,716
Machinery and other equipment		145,176		132,962
Software		124,753		121,890
Leasehold improvements		23,381		22,295
Construction and internal-use software development in progress		13,853		21,409
Accumulated depreciation and amortization		(198,953)		(189,394)
	$	165,576	$	166,301