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Debt and Credit Arrangements - Senior Secured Revolving Credit Facility and Term Loan (Details) € in Millions		3 Months Ended		6 Months Ended
	Dec. 04, 2023 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 EUR (€)	Apr. 08, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 EUR (€)	Oct. 02, 2023 USD ($)
Debt Instrument
Aggregate principal amount		$ 3,988,800,000		$ 3,988,800,000				$ 3,834,900,000
Repayments on credit facilities				$ 1,336,300,000	$ 384,800,000
Revolving Credit Facility \| Senior Secured Revolving Credit Facility 2024
Debt Instrument
Maximum borrowing capacity							$ 1,250,000,000
Revolving Credit Facility \| Senior Secured Revolving Credit Facility Due April 2029
Debt Instrument
Debt instrument stated interest rate (percent)		7.20%		7.20%		7.20%		6.20%	6.20%
Letters of credit outstanding		$ 270,300,000		$ 270,300,000
Unused borrowing capacity		732,200,000		732,200,000
Revolving Credit Facility \| Senior Secured Revolving Credit Facility Due April 2029 \| Secured Debt
Debt Instrument
Debt instrument face amount		247,500,000		247,500,000				$ 102,800,000
Revolving Credit Facility \| Euro senior secured revolving credit facility
Debt Instrument
Carrying Value		83,500,000		83,500,000		€ 78.0		97,800,000	€ 88.5
Gain (loss) on unrealized foreign currency		900,000	$ 100,000	3,000,000.0	$ (1,600,000)
Revolving Credit Facility \| Term loans due March 2030
Debt Instrument
Aggregate principal amount										$ 1,781,000,000
Repayments on credit facilities	$ 150,000,000.0
Revolving Credit Facility \| Term loans due March 2030 \| Term Loan
Debt Instrument
Debt instrument face amount		$ 1,631,000,000		$ 1,631,000,000				$ 1,631,000,000
Debt instrument stated interest rate (percent)		8.70%		8.70%		8.70%		8.70%	8.70%
Carrying Value		$ 1,567,000,000		$ 1,567,000,000				$ 1,562,700,000
Debt instrument effective interest rate (percent)										9.10%