Income Taxes - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 27, 2020	Dec. 29, 2019	Dec. 30, 2018
Operating Loss Carryforwards [Line Items]
Deferred tax asset	$ 81.2
Unrecognized deferred income taxes or foreign withholding taxes	11.0
Unrecognized deferred income taxes or foreign withholding taxes, cash and cash equivalents available for distribution	29.2
Unrecognized tax benefits that if recognized would affect effective tax rate	25.4
Amount that would become a deferred tax asset included in unrecognized tax benefits that would impact the effective tax rate	11.3
Income tax penalties and interest expense	1.9	$ 1.3	$ 0.6
Benefit for income tax penalties and interest related to reversal of prior positions	0.2	0.1	1.1
Total interest and penalties accrued	4.5	2.8	$ 1.6
Unrecognized tax benefits that will expire within the next 12 months	0.3
Federal
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	271.0	11.1
State
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 245.8	$ 0.6