Debt (Tables)

12 Months Ended

Dec. 27, 2020

Debt Disclosure [Abstract]

Fair Value of Long-Term Debt

Carrying amounts and the related estimated fair values of the Company’s long-term debt financial instruments not measured at fair value on a recurring basis at December 27, 2020 and December 29, 2019 are presented in the following table:

	As of December 27, 2020						As of December 29, 2019
$ in millions	Principal		Carrying Amount		Fair Value		Principal		Carrying Amount		Fair Value
Long-term debt	$	305.6	$	301.5	$	319.6	$	300.0	$	295.1	$	322.1