Fair Value Measurements and Disclosures (Tables)

12 Months Ended

Dec. 29, 2018

Assets and liabilities measurements at estimated fair value on recurring basis excluding accrued interest components

The following tables present the Company’s assets and liabilities measured at estimated fair value on a recurring basis, excluding accrued interest components, categorized in accordance with the fair value hierarchy (in thousands), as of the following dates:

	December 29, 2018								December 30, 2017
	Fair Value Measurements Using Input Types								Fair Value Measurements Using Input Types
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents:
Money market funds	$	113	$	—	$	—	$	113	$	256	$	—	$	—	$	256
Commercial paper		—		1,993		—		1,993		—		—		—		—
Total cash equivalents		113		1,993		—		2,106		256		—		—		256

Marketable securities:
U.S. Government agency debt securities		—		—		—		—		—		1,495		—		1,495
Certificate of deposits		—		9,497		—		9,497		—		14,497		—		14,497
Commercial paper		—		7,932		—		7,932		—		7,949		—		7,949
Corporate debt securities		—		15,730		—		15,730		—		47,968		—		47,968
Asset backed securities		—		7,682		—		7,682		—		10,221		—		10,221
Total marketable securities		—		40,841		—		40,841		—		82,130		—		82,130
Total⁽¹⁾	$	113	$	42,834	$	—	$	42,947	$	256	$	82,130	$	—	$	82,386

⁽¹⁾	Excludes $108.8 million and $34.6 million held in operating accounts as of December 29, 2018, and December 30, 2017, respectively.

Outstanding derivative instruments

The following table summarizes the Company’s outstanding derivative instruments on a gross basis:

	December 29, 2018						December 30, 2017
	Notional Amount		Fair Value				Notional Amount		Fair Value
	(in millions)		Asset		Liability		(in millions)		Asset		Liability
Undesignated Hedges:
Forward Foreign Currency Contracts
Purchase	$	25.9		—		—	$	27.5		—	$	0.1
Sell	$	21.8		—	$	0.2	$	16.8	$	0.1		—