Revenue Recognition - Narrative (Details) $ in Millions	6 Months Ended
	Jun. 27, 2021 USD ($) brand_category
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, amount	$ 512.2
Number of brand categories | brand_category	5
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-06-28
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, amount	$ 363.5
Revenue, remaining performance obligation, period	6 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-12-27
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, amount	$ 122.9
Revenue, remaining performance obligation, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-12-26
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, amount	$ 19.8
Revenue, remaining performance obligation, period	1 year
eOne
Disaggregation of Revenue [Line Items]
Contract assets recognized	$ 80.8
Revenue recognized	$ 77.6