Fair Value (Tables)

3 Months Ended

Mar. 29, 2014

Fair Value Disclosures [Abstract]

Fair value of financial assets and liabilities

The fair value of financial assets and liabilities was determined using the following levels of inputs as of March 29, 2014 and December 28, 2013:

	Fair Value Measurements as of March 29, 2014:
	Total		Level 1		Level 2		Level 3
	(In thousands)
Assets
Cash equivalents:
Money market funds	$	348,884	$	348,884	$	—	$	—
Short-term investments:
Corporate debt securities	36,906		—		36,906		—
Bank certificates of deposit	26,362		—		26,362		—
United States Treasury securities	18,944		18,944		—		—
United States government agency securities	10,366		10,366		—		—
Commercial paper	2,495		—		2,495		—
Marketable equity securities	1,933		1,933		—		—
Trading securities held in Non-Qualified Deferred Compensation, or NQDC, trust	23,786		23,786		—		—
2015 Notes Hedges	369,731		—		369,731		—
Total Assets	$	839,407	$	403,913	$	435,494	$	—
	Total		Level 1		Level 2		Level 3
	(In thousands)
Liabilities
Acquisition-related contingent consideration	$	1,805	$	—	$	—	$	1,805
2015 Notes Embedded Conversion Derivative	369,731		—		369,731		—
Foreign currency exchange contracts	$	367	$	—	$	367	$	—
Total Liabilities	$	371,903	$	—	$	370,098	$	1,805

	Fair Value Measurements as of December 28, 2013:
	Total		Level 1		Level 2		Level 3
	(In thousands)
Assets
Cash equivalents:
Money market funds	$	345,872	$	345,872	$	—	$	—
Bank certificates of deposit	2,300		—		2,300		—
Short-term investments:
Corporate debt securities	37,441		—		37,441		—
Bank certificates of deposit	20,308		—		20,308		—
United States Treasury securities	24,246		24,246		—		—
United States government agency securities	10,223		10,223		—		—
Commercial paper	2,493		—		2,493		—
Marketable equity securities	2,077		2,077		—		—
Trading securities held in NQDC trust	23,960		23,960		—		—
2015 Notes Hedges	306,817		—		306,817		—
Foreign currency exchange contracts	262		—		262		—
Total Assets	$	775,999	$	406,378	$	369,621	$	—
	Total		Level 1		Level 2		Level 3
	(In thousands)
Liabilities
Acquisition-related contingent consideration	$	4,091	$	—	$	—	$	4,091
2015 Notes Embedded Conversion Derivative	306,817		—		306,817		—
Total Liabilities	$	310,908	$	—	$	306,817	$	4,091

Liabilities included in level 3 representing fair value of contingent consideration associated with acquisitions

The following table summarizes the level 3 activity for the three months ended March 29, 2014:

	(In thousands)
Balance as of December 28, 2013	$	4,091
Payments	(2,329		)
Adjustments	43
Balance as of March 29, 2014	$	1,805