Equity Investments - Consolidated VIEs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 03, 2021	Sep. 27, 2020	Oct. 03, 2021	Sep. 27, 2020	Jan. 03, 2021
Variable Interest Entity [Line Items]
Assets	$ 1,428,734		$ 1,428,734		$ 1,646,482
Solar Sail | Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Revenues	5,000	$ 4,700	12,700	$ 8,100
Assets	$ 67,200		$ 67,200