Fair Value (Tables)

3 Months Ended

Mar. 30, 2013

Fair Value Disclosures [Abstract]

Fair value of financial assets and liabilities

On a quarterly basis, Cadence measures at fair value certain financial assets and liabilities. The fair value of financial assets and liabilities was determined using the following levels of inputs as of March 30, 2013 and December 29, 2012:

	Fair Value Measurements as of March 30, 2013:
	Total		Level 1		Level 2		Level 3
	(In thousands)
Assets
Cash equivalents:
Money market funds	$	659,218	$	659,218	$	—	$	—
Short-term investments:
Corporate debt securities	34,453		—		34,453		—
Bank certificates of deposit	24,827		—		24,827		—
United States Treasury securities	21,225		21,225		—		—
United States government agency securities	14,246		14,246		—		—
Commercial paper	4,290		—		4,290		—
Marketable equity securities	1,951		1,951		—		—
Trading securities held in Non-Qualified Deferred Compensation Plan, or NQDC	19,302		19,302		—		—
2015 Notes Hedges	315,895		—		315,895		—
Total Assets	$	1,095,407	$	715,942	$	379,465	$	—
	Total		Level 1		Level 2		Level 3
	(In thousands)
Liabilities
Acquisition-related contingent consideration	$	3,579	$	—	$	—	$	3,579
2015 Notes Embedded Conversion Derivative	315,895		—		315,895		—
Foreign currency exchange contracts	$	477	$	—	$	477	$	—
Total Liabilities	$	319,951	$	—	$	316,372	$	3,579
	Fair Value Measurements as of December 29, 2012:
	Total		Level 1		Level 2		Level 3
	(In thousands)
Assets
Cash equivalents:
Money market funds	$	566,334	$	566,334	$	—	$	—
Short-term investments:
Corporate debt securities	31,359		—		31,359		—
Bank certificates of deposit	27,826		—		27,826		—
United States Treasury securities	23,239		23,239		—		—
United States government agency securities	10,258		10,258		—		—
Commercial paper	5,783		—		5,783		—
Marketable equity securities	2,239		2,239		—		—
Trading securities held in Non-Qualified Deferred Compensation Plan, or NQDC	24,329		24,329		—		—
2015 Notes Hedges	303,154		—		303,154		—
Foreign currency exchange contracts	1,737		—		1,737		—
Total Assets	$	996,258	$	626,399	$	369,859	$	—

	Total		Level 1		Level 2		Level 3
	(In thousands)
Liabilities
Acquisition-related contingent consideration	$	4,218	$	—	$	—	$	4,218
2015 Notes Embedded Conversion Derivative	303,154		—		303,154		—
Total Liabilities	$	307,372	$	—	$	303,154	$	4,218

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 30, 2013:

	(In thousands)
Balance as of December 29, 2012	$	4,218
Payments	(740		)
Adjustments	101
Balance as of March 30, 2013	$	3,579