Debt (Tables)

6 Months Ended

Jul. 04, 2020

Debt

Summary of information about the equity and liability components of convertible debt

The carrying amount of the notes consisted of the following (in thousands):

	July 4,		December 28,
	2020		2019
Liability component
Principal	$	698,217	$	400,000
Unamortized debt discount		(117,008)		(27,580)
Unamortized debt issuance costs		(9,435)		(4,163)
Net carrying amount	$	571,774	$	368,257
Equity component
Net carrying amount	$	113,932	$	57,735

Schedule of components of interest expense

Interest expense related to the notes was comprised of the following (in thousands):

	Three Months Ended				Six Months Ended
	July 4,		June 29,		July 4,		June 29,
	2020		2019		2020		2019
Contractual interest expense	$	1,374	$	1,360	$	2,841	$	2,750
Amortization of debt discount		4,132		2,900		7,378		5,786
Amortization of debt issuance costs		491		437		981		873
	$	5,997	$	4,697	$	11,200	$	9,409