Debt (Tables)

3 Months Ended

Apr. 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):

	April 4,		December 28,
	2020		2019
Liability component
Principal	$	400,000	$	400,000
Unamortized debt discount		(24,335)		(27,580)
Unamortized debt issuance costs		(3,672)		(4,163)
Net carrying amount	$	371,993	$	368,257
Equity component
Net carrying amount	$	57,735	$	57,735

Schedule of components of interest expense

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

	Three Months Ended
	April 4,		March 30,
	2020		2019
Contractual interest expense	$	1,467	$	1,390
Amortization of debt discount		3,246		2,886
Amortization of debt issuance costs		490		435
	$	5,203	$	4,711