Fair Value (Tables)

12 Months Ended

Dec. 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 December 29, 2012 and December 31, 2011:

	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
	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 fiscal 2011 and 2012:

	(In thousands)
Balance as of January 1, 2011	$	966
Acquisitions	3,521
Adjustments	(576		)
Balance as of December 31, 2011	$	3,911
Payments	(39		)
Adjustments	346
Balance as of December 29, 2012	$	4,218