3. Balance Sheet Details

Inventories

Inventories, net of allowances, as of September 30, 2015 and December 31, 2014 are as follows (in thousands):


	September 30, 2015		December 31, 2014
Raw materials	$	50,504	$	33,903
Work in process		8,210		2,308
Finished goods		53,037		35,921

	$	111,751	$	72,132

Deferred Cost of Revenue

Deferred cost of revenue related to unrecognized revenue on shipments to customers was $12.6 and $2.0 million as of September 30, 2015 and December 31, 2014, respectively, and is included in other current assets in our Condensed Consolidated Balance Sheets.

Product Warranty Reserves

The changes in product warranty reserves during the nine months ended September 30, 2015 and 2014 are as follows (in thousands):


	2015			2014
Balance at January 1,	$	9,682		$	11,047
Liability assumed through business acquisitions		1,006			—
Provisions, net of releases		8,670			9,356
Settlements		(9,799	)		(9,962	)

Balance at September 30,	$	9,559		$	10,441

Accumulated Other Comprehensive Loss (“OCI”)

OCI classified within stockholders’ equity in our Condensed Consolidated Balance Sheets as of September 30, 2015 and December 31, 2014 is as follows (in thousands):


	September 30,			December 31,
	2015			2014
Net unrealized investment gains	$	134		$	(141	)
Currency translation losses		(14,254	)		(7,177	)
Net unrealized losses on cash flow hedges		(22	)		(39	)

Accumulated other comprehensive loss	$	(14,142	)	$	(7,357	)

Amounts reclassified out of OCI were less than $0.1 million, net of tax, for the three and nine months ended September 30, 2015 and 2014, and consisted of unrealized gains and losses from investments in debt securities that are reported within interest income and other expense, net, in our Condensed Consolidated Statements of Operations.