Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2015

Fair Value Disclosures [Abstract]

Schedule of Fair Value of Marketable Securities and Foreign Currency Contracts

The tables below set forth the Company’s recurring fair value measurements (in thousands):

			Fair Value Measurements at March  31, 2015 Using
Description	Total		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs
			(Level 1)		(Level 2)
Assets:
Fixed income available-for-sale securities
Cash and cash equivalents
Money market funds	$	4,451	$	4,451	$	—
Non U.S.  government securities		1,401		—	$	1,401
Commercial paper		8,379		—		8,379
Short-term investments		206,085		—		206,085
Long-term investments		41,158		—		41,158
Total fixed income available-for-sale    securities	$	261,474	$	4,451	$	257,023
Foreign currency forward contracts (a)	$	22,808	$	—	$	22,808
Liabilities:
Foreign currency forward contracts (b)	$	12,651	$	—	$	12,651

			Fair Value Measurements at December 31, 2014 Using
Description	Total		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs
			(Level 1)		(Level 2)
Assets:
Fixed income available-for-sale securities
Cash and cash equivalents
Money market funds	$	1,395	$	1,395	$	—
Commercial paper		7,549		—		7,549
Short-term investments		185,783		—		185,783
Long-term investments		59,197		—		59,197
Total fixed income available-for-sale    securities	$	253,924	$	1,395	$	252,529
Foreign currency forward contracts (a)	$	14,342	$	—	$	14,342
Liabilities:
Foreign currency forward contracts (b)	$	8,175	$	—	$	8,175

(a) Included in short-term derivative assets as “Prepaid expenses and other current assets” in the condensed consolidated balance sheets.

(b) Included in short-term derivative liabilities as “Other accrued liabilities” in the condensed consolidated balance sheets.