Fair Value (Tables)

9 Months Ended

Sep. 29, 2012

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 September 29, 2012 and December 31, 2011:

	Fair Value Measurements as of September 29, 2012:
	Total		Level 1		Level 2		Level 3
	(In thousands)
Assets
Cash equivalents:
Money market funds	$	484,465	$	484,465	$	—	$	—
United States Treasury securities	3,975		3,975		—		—
Bank certificates of deposit	1,000		—		1,000		—
Corporate debt securities	501		—		501		—
Commercial paper	500		—		500		—
Short-term investments:
Corporate debt securities	32,613		—		32,613		—
Bank certificates of deposit	28,522		—		28,522		—
United States Treasury securities	21,460		21,460		—		—
United States government agency securities	8,235		8,235		—		—
Commercial paper	2,988		—		2,988		—
Marketable equity securities	2,001		2,001		—		—
Trading securities held in Non-Qualified Deferred Compensation Plan, or NQDC	23,561		23,561		—		—
2015 Notes Hedges	287,079		—		287,079		—
Foreign currency exchange contracts	778		—		778		—
Total Assets	$	897,678	$	543,697	$	353,981	$	—
	Total		Level 1		Level 2		Level 3
	(In thousands)
Liabilities
Acquisition-related contingent consideration	$	4,108	$	—	$	—	$	4,108
2015 Notes Embedded Conversion Derivative	287,079		—		287,079		—
Total Liabilities	$	291,187	$	—	$	287,079	$	4,108

	Fair Value Measurements as of December 31, 2011:
	Total		Level 1		Level 2		Level 3
	(In thousands)
Assets
Cash equivalents – money market funds	$	484,102	$	484,102	$	—	$	—
Short-term investments:
Marketable equity securities	3,037		3,037		—		—
Trading securities held in NQDC	24,058		24,058		—		—
2015 Notes Hedges	215,113		—		215,113		—
Foreign currency exchange contracts	200		—		200		—
Total Assets	$	726,510	$	511,197	$	215,313	$	—
	Total		Level 1		Level 2		Level 3
	(In thousands)
Liabilities
Acquisition-related contingent consideration	$	3,911	$	—	$	—	$	3,911
2015 Notes Embedded Conversion Derivative	215,113		—		215,113		—
Total Liabilities	$	219,024	$	—	$	215,113	$	3,911

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

The following table summarizes the level 3 activity for the nine months ended September 29, 2012:

	(In thousands)
Balance as of December 31, 2011	$	3,911
Payments	(39		)
Adjustments	236
Balance as of September 29, 2012	$	4,108