Revenue from Contracts with Customers - Narrative (Details)	3 Months Ended		9 Months Ended
	Sep. 28, 2025 USD ($)	Sep. 29, 2024 USD ($)	Sep. 28, 2025 USD ($) segment	Sep. 29, 2024 USD ($)	Dec. 29, 2024 USD ($)	Dec. 31, 2023 USD ($)
Revenue recognition [Line Items]
Inventories, net	$ 1,405,600,000		$ 1,405,600,000		$ 1,353,000,000
Sales	1,125,500,000	$ 1,051,200,000	3,410,300,000	$ 3,189,400,000
Cost of sales	870,200,000	826,400,000	2,676,700,000	2,539,800,000
Short-term contract assets	94,300,000	90,500,000	94,300,000	90,500,000	75,600,000	$ 59,100,000
Other current liabilities	218,700,000		218,700,000		249,600,000
Other long-term liabilities	209,900,000		209,900,000		150,500,000
Short-term contract liabilities	159,200,000	146,500,000	159,200,000	146,500,000	169,400,000	163,600,000
Long-term contract liabilities	59,700,000	37,800,000	$ 59,700,000	37,800,000	45,300,000	$ 39,400,000
Number of business segments | segment			2
Confirmed order backlog	3,600,000,000	3,900,000,000	$ 3,600,000,000	3,900,000,000
Confirmed orders with current performance obligations	0.70		0.70
Accounts receivable with customers	714,600,000		714,600,000		724,200,000
Contract costs for obtaining and fulfilling contracts	14,200,000		14,200,000		$ 12,000,000.0
Amortization of contract costs	$ 300,000	$ 200,000	$ 1,200,000	$ 800,000