Debt and Credit Facilities - Credit Facilities (Details) € in Millions, $ in Millions	3 Months Ended	6 Months Ended		12 Months Ended
	Jun. 27, 2025 EUR (€)	Jun. 27, 2025 USD ($)	Jun. 28, 2024 USD ($)	Dec. 31, 2024 USD ($)	Aug. 31, 2023 USD ($)	Aug. 31, 2023 EUR (€)
Debt Instrument [Line Items]
Proceeds from revolving line of credit		$ 115.4	$ 0.0
Leverage ratio		4.00
Contingency provision on the ratio of indebtedness to net capital		4.50
Contingency provision, purchase price in excess of $100 million		$ 100.0
Interest coverage ratio (at least)		3.00
Fed Funds Effective Rate Overnight Index Swap Rate
Debt Instrument [Line Items]
Margin spread of variable interest rate		0.50%
Revolving Credit Facility
Debt Instrument [Line Items]
Percentage of consolidated EBITDA					100.00%	100.00%
Increase limit of revolving credit facility					$ 525.0
Number of days prior to convertible note maturity					91 days	91 days
Maturity, minimum amount outstanding					$ 250.0
Debt issuance costs					5.2
Loan facility interest rates		3.09%
Senior term loan facility due 2028 (the “2028 Term Loan”)
Debt Instrument [Line Items]
Term loan					530.0
Repayments of senior debt				$ 100.0
Loan facility interest rates		5.77%		6.08%
Senior euro term loan facility due 2028 (the “2028 Euro Term Loan”)
Debt Instrument [Line Items]
Term loan | €						€ 350.0
Loan facility interest rates		3.56%		4.31%
Second Amended Credit Agreement | Line of Credit
Debt Instrument [Line Items]
Proceeds from revolving line of credit | €	€ 100.0
Long-term Debt, Gross				$ 0.0
Second Amended Credit Agreement | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit facility maximum borrowing capacity					750.0
Second Amended Credit Agreement | Line of Credit | Alternative Currency Sublimit
Debt Instrument [Line Items]
Revolving credit facility maximum borrowing capacity					675.0
Second Amended Credit Agreement | Line of Credit | Letter of Credit
Debt Instrument [Line Items]
Revolving credit facility maximum borrowing capacity					$ 30.0
Term SOFR Loans | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Credit spread adjustment		0.0010
Term SOFR Loans | Secured Overnight Financing Rate (SOFR) | Minimum
Debt Instrument [Line Items]
Margin spread of variable interest rate		0.91%
Term SOFR Loans | Secured Overnight Financing Rate (SOFR) | Maximum
Debt Instrument [Line Items]
Margin spread of variable interest rate		1.625%
Base Rate Loans | Maximum
Debt Instrument [Line Items]
Effective interest rate		1.00%
Base Rate Loans | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Margin spread of variable interest rate		1.00%
Base Rate Loans | Base Rate | Minimum
Debt Instrument [Line Items]
Margin spread of variable interest rate		0.00%
Base Rate Loans | Base Rate | Maximum
Debt Instrument [Line Items]
Margin spread of variable interest rate		0.625%
Credit facility | Minimum
Debt Instrument [Line Items]
Facility fee		0.09%
Credit facility | Maximum
Debt Instrument [Line Items]
Facility fee		0.225%