Balance Sheet Details (Tables)

3 Months Ended

Dec. 31, 2019

Balance Sheet Details

Components of inventories

Inventories consist of the following (in thousands):

	December 31,		September 30,
	2019		2019
Finished products	$	11,167	$	10,905
Work in process and inventoried costs under long-term contracts		67,075		46,951
Materials and purchased parts		44,670		48,938
Net inventories	$	122,912	$	106,794

Components of property, plant and equipment

	December 31,		September 30,
	2019		2019
Land and land improvements	$	7,463	$	7,348
Buildings and improvements		49,359		48,191
Machinery and other equipment		119,674		107,297
Software		107,513		108,526
Leasehold improvements		17,671		17,064
Construction and internal-use software development in progress		17,785		16,814
Accumulated depreciation and amortization		(168,247)		(160,271)
	$	151,218	$	144,969