Fair Value (Tables)

12 Months Ended

Dec. 30, 2017

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 December 30, 2017 and December 31, 2016:

	Fair Value Measurements as of December 30, 2017:
	Total		Level 1		Level 2		Level 3
	(In thousands)
Assets
Cash equivalents:
Money market funds	$	503,934	$	503,934	$	—	$	—
Short-term investments:
Marketable equity securities	4,455		4,455		—		—
Trading securities held in NQDC trust	31,473		31,473		—		—
Foreign currency exchange contracts	2,937		—		2,937		—
Total Assets	$	542,799	$	539,862	$	2,937	$	—
As of December 30, 2017, Cadence did not have any financial liabilities requiring a recurring fair value measurement.

	Fair Value Measurements as of December 31, 2016:
	Total		Level 1		Level 2		Level 3
	(In thousands)
Assets
Cash equivalents:
Money market funds	$	237,724	$	237,724	$	—	$	—
Short-term investments:
Marketable equity securities	3,057		3,057		—		—
Trading securities held in NQDC trust	26,622		26,622		—		—
Total Assets	$	267,403	$	267,403	$	—	$	—
	Total		Level 1		Level 2		Level 3
	(In thousands)
Liabilities
Foreign currency exchange contracts	$	2,653	$	—	$	2,653	$	—