BALANCE SHEET COMPONENTS

The following tables reflect the components of significant balance sheet accounts as of December 28, 2013 and September 28, 2013:



	As of
(in thousands)	December 28, 2013			September 28, 2013
Short term investments, available-for-sale:
Deposits maturing within one year (1)	$	6,552		$	3,252

Inventories, net:
Raw materials and supplies	$	21,545		$	19,703
Work in process	13,143			12,219
Finished goods	15,899			20,333
	50,587			52,255
Inventory reserves	(14,325		)	(14,120		)
	$	36,262		$	38,135
Property, plant and equipment, net:
Buildings and building improvements (2)	$	23,079		$	3,060
Leasehold improvements	12,470			15,763
Data processing equipment and software	24,670			24,549
Machinery, equipment, furniture and fixtures	54,176			48,998
Construction in progress (2)	—			19,396
	114,395			111,766
Accumulated depreciation	(61,864		)	(64,225		)
	$	52,531		$	47,541
Accrued expenses and other current liabilities:
Wages and benefits	$	10,222		$	19,779
Accrued customer obligations (3)	8,597			8,270
Commissions and professional fees	1,718			2,640
Severance	973			1,468
Other	6,842			6,711
	$	28,352		$	38,868

(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. As of December 28, 2013 and September 28, 2013, fair value approximated the cost basis for short-term investments. The Company did not recognize any realized gains or losses on the sale of investments during the three months ended December 28, 2013 and December 29, 2012.

(2)

Pursuant to ASC No. 840, Leases, the Company was considered to be the owner of the building during the construction phase for the Agreement to Develop and Lease (the “ADL”) facility being developed by Mapletree Industrial Trust (the “Landlord”) in Singapore—see Notes 6 and 11 below. The construction costs incurred to date in relation to the relevant proportion of the Company's lease are recognized on the Consolidated Balance Sheet as of December 28, 2013.

The building was completed on December 1, 2013 and the cost of construction of $20.0 million was reclassified from construction in progress to buildings and building improvements.


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