Balance Sheet Components

The following tables provide details of the selected balance sheet items (in thousands):

Inventory:



	December 31, 2015		June 30, 2015
Finished goods	$	352,971	$	384,647
Work in process	57,933		23,214
Purchased parts and raw materials	75,627		55,632
Total inventory	$	486,531	$	463,493

The Company recorded a provision for lower of cost or market and excess and obsolete inventory totaling $2,062,000 and $3,780,000 in the three and six months ended December 31, 2015, respectively, and $2,515,000 and $4,175,000 in the three and six months ended December 31, 2014, respectively.

Property, Plant, and Equipment:



	December 31, 2015			June 30, 2015
Land	$	70,454		$	63,962
Buildings	71,665			51,959
Building and leasehold improvements	10,201			8,323
Buildings and leasehold improvements construction in progress (1)	3,656			25,572
Machinery and equipment	45,919			40,689
Furniture and fixtures	10,059			7,421
Purchased software	11,162			3,343
Purchased software construction in progress (2)	2,305			8,567
	225,421			209,836
Accumulated depreciation and amortization	(52,229		)	(46,798		)
Property, plant and equipment, net	$	173,192		$	163,038

(1) In connection with the purchase of property located in San Jose, California for the Company's Green Computing Park, the Company continues to engage several contractors for the development and construction of improvements on the property. The first manufacturing building at this location was completed in August 2015. In the six months ended December 31, 2015, the Company also engaged a contractor for the construction of improvements on leasehold property located in the Netherlands, which was completed in October 2015.

(2) The Company completed its implementation of a new enterprise resource planning, or ERP, system for its U.S. headquarters on July 5, 2015 and has capitalized the costs of the new ERP software and certain expenses associated directly with the development of the ERP system as of July 4, 2015. The Company began to depreciate these costs in the six months ended December 31, 2015. In the six months ended December 31, 2015, the Company also started its implementation of the ERP system for its subsidiaries in Taiwan and the Netherlands and has capitalized the development costs of the ERP system, which was completed in January 2016.

Other Assets:



	December 31, 2015		June 30, 2015
Long-term deferred service costs	$	2,717	$	1,490
Prepaid royalty license	872		997
Investment in a privately held company	1,411		1,411
Restricted cash	1,229		840
Deposit	2,377		265
Others	145		223
Total other assets	$	8,751	$	5,226

Restricted cash consists primarily of certificates of deposits pledged as security for one irrevocable letter of credit required in connection with a warehouse lease in Fremont, California, one deposit to an escrow account required by the Company's worker's compensation program, one deposit required for the Company's bonded warehouse set up in Taiwan and bank guarantees in connection with office leases in the Netherlands. During the six months ended December 31, 2015, the Company made multiple deposits totaling $1,535,000 for the ongoing development and construction of improvements on the property in San Jose, California.

Accrued Liabilities:



	December 31, 2015		June 30, 2015
Accrued payroll and related expenses	$	18,619	$	15,141
Customer deposits	6,949		6,314
Accrued warranty costs	6,116		7,700
Accrued cooperative marketing expenses	7,300		5,690
Deferred service revenue	9,416		4,085
Others	7,770		7,813
Total accrued liabilities	$	56,170	$	46,743

Product Warranties:



	Three Months Ended December 31,						Six Months Ended December 31,
	2015			2014			2015			2014
Balance, beginning of period	$	7,545		$	7,077		$	7,700		$	7,083
Provision for warranty	4,678			3,304			8,544			6,960
Costs charged to accrual	(2,854		)	(3,305		)	(6,673		)	(6,770		)
Change in estimated liability for pre-existing warranties	(1,592		)	(116		)	(1,794		)	(313		)
Balance, end of period	7,777			6,960			7,777			6,960
Current portion	(6,116		)	(6,960		)	(6,116		)	(6,960		)
Long-term portion	$	1,661		$	—		$	1,661		$	—