Leases - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Jan. 01, 2023	Jan. 02, 2022	Jan. 01, 2024
Leases [Abstract]
Progress payments made on behalf of company, paid	$ 28.4
Progress payments made on behalf of company, scheduled to be paid				$ 39.7
Lessee, finance lease, lease not yet commenced, right-of-use asset to be recognized				68.1
Lessee, finance lease, lease not yet commenced, liability to be recognized				$ 68.1
Proceeds from sale of ongoing CIP projects converted to leases	$ 2.8	$ 1.8	$ 16.2