Assets and liabilities of the Company are measured at fair value on a recurring basis as of March 31, 2015 and are summarized as follows:


			Fair Value Measurements at Reporting Date Using
Description	March 31, 2015		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents:
Money market funds	$	87,790	$	87,790	$	—	$	—
Bankers’ acceptance drafts		99		—		99		—
Available-for-sale securities:
Bankers’ acceptance drafts		327		—		327		—
Time deposits and certificates of deposit		5,400		—		5,400		—
Commercial paper		1,447		—		1,447		—
Asset-backed securities		129,242		—		129,242		—
Corporate obligations		148,445		—		148,445		—
Municipal bonds		7,678		—		7,678		—
U.S. agency obligations		103,405		—		103,405		—
Derivatives – currency forward contracts		1,240		—		1,240		—

Total assets	$	485,073	$	87,790	$	397,283	$	—

Liabilities:
Derivatives – currency forward contracts	$	318	$	—	$	318	$	—

Reported as follows:
Assets:
Cash and cash equivalents⁽¹⁾	$	87,889	$	87,790	$	99	$	—
Short-term investments		158,631		—		158,631		—
Other current assets		1,240		—		1,240		—

Total current assets	$	247,760	$	87,790	$	159,970	$	—

Long-term investments	$	237,313	$	—	$	237,313	$	—

Liabilities:
Other current liabilities	$	318	$	—	$	318	$	—

(1)	The cash and cash equivalent amounts presented in the table above do not include cash of $95,212 and non-negotiable time deposits of $9,612 as of March 31, 2015.

Assets and liabilities of the Company measured at fair value on a recurring basis as of December 31, 2014, are summarized as follows:


			Fair Value Measurements at Reporting Date Using
Description	December 31, 2014		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents:
Money market funds	$	129,092	$	129,092	$	—	$	—
Bankers acceptance drafts		131		—		131		—
Corporate obligations		700		—		700		—
Available-for-sale investments:
Time deposits and certificates of deposit		20,948		—		20,948		—
Asset-backed securities		75,674		—		75,674		—
Bankers acceptance drafts		82		—		82		—
Corporate obligations		88,689		—		88,689		—
Municipal bonds		3,353		—		3,353		—
U.S. agency obligations		98,049		—		98,049		—
Derivatives – currency forward contracts		2,110		—		2,110		—

Total assets	$	418,828	$	129,092	$	289,736	$	—

Liabilities:
Derivatives – currency forward contracts	$	—	$	—	$	—	$	—

Reported as follows:
Assets:
Cash and cash equivalents ⁽¹⁾	$	129,923	$	129,092	$	831	$	—
Short-term investments		129,594		—		129,594		—
Other current assets		2,110		—		2,110		—

Total current assets	$	261,627	$	129,092	$	132,535	$	—

Long-term investments	$	157,201	$	—	$	157,201	$	—

Liabilities:
Other current liabilities	$	—	$	—	$	—	$	—

(1)	The cash and cash equivalent amounts presented in the table above do not include cash of $167,517 and non-negotiable time deposits of $7,997 as of December 31, 2014.