BALANCE SHEET COMPONENTS

The following tables reflect the components of significant balance sheet accounts as of March 30, 2019 and September 29, 2018:



	As of
(in thousands)	March 30, 2019			September 29, 2018

Short term investments, available-for-sale⁽¹⁾	$	208,000		$	293,000

Inventories, net:
Raw materials and supplies	$	58,629		$	63,894
Work in process	34,405			37,829
Finished goods	36,951			40,357
	129,985			142,080
Inventory reserves	(27,436		)	(26,889		)
	$	102,549		$	115,191
Property, plant and equipment, net:
Land	$	2,182		$	2,182
Buildings and building improvements ⁽²⁾	42,083			41,616
Leasehold improvements ⁽²⁾	23,913			23,561
Data processing equipment and software	36,157			35,469
Machinery, equipment, furniture and fixtures	73,671			68,666
Construction in progress	6,327			6,940
	184,333			178,434
Accumulated depreciation	(107,990		)	(102,367		)
	$	76,343		$	76,067
Accrued expenses and other current liabilities:
Accrued customer obligations ⁽³⁾	$	28,091		$	34,918
Wages and benefits	15,796			44,505
Dividend payable	8,056			8,057
Commissions and professional fees	2,879			5,549
Deferred rent	1,794			1,847
Severance	647			1,415
Other	7,550			9,687
	$	64,813		$	105,978


(1)	All short-term investments were classified as available-for-sale and were measured at fair value based on level one measurement, or quoted market prices, as defined by ASC 820. The Company did not recognize any realized gains or losses on the sale of investments during the three and six months ended March 30, 2019 and March 31, 2018.


(2)	Certain balances as at September 29, 2018 relating to Property, plant and equipment have been reclassified. These reclassifications have no impact to the Consolidated Balance Sheet as at September 29, 2018.


(3)	Represents customer advance payments, customer credit program, accrued warranty expense and accrued retrofit obligations.