Debt (Details) $ / shares in Units, € in Millions, $ in Millions	1 Months Ended		3 Months Ended	12 Months Ended
	May 31, 2023 USD ($)	May 31, 2023 EUR (€)	Mar. 31, 2024 USD ($) agreement $ / shares	Dec. 31, 2023 USD ($)	Mar. 31, 2024 EUR (€)	Dec. 31, 2023 EUR (€)	Aug. 31, 2023 USD ($)	May 31, 2023 EUR (€)	May 26, 2023 USD ($)	May 26, 2023 EUR (€)	May 15, 2023 USD ($)	May 11, 2023 USD ($)	May 11, 2023 EUR (€)	Mar. 31, 2023 USD ($)	Mar. 31, 2023 EUR (€)	Mar. 25, 2022 USD ($)
Debt Instrument
Total long-term debt			$ 4,815.0	$ 4,840.0										$ 4,723.0
Less amounts due within one year			696.0	142.0										301.0
Long-term debt			4,119.0	4,698.0										4,422.0
Additional interest charges for note repurchase premiums and write-off of unamortized finance fees				39.0
Maximum Borrowing Capacity																$ 2,800.0
Secured Credit Agreement
Debt Instrument
Unused Credit			$ 1,240.0
Number of financial maintenance covenants | agreement			1
Additional default interest rate per annum applied to all obligations owed under the Agreement			2.00%
Secured Credit Agreement | Minimum
Debt Instrument
Interest rate margin, Term SOFR loans and Euro currency rate loans			1.00%		1.00%
Interest rate margin, Base Rate loans (as a percent)			0.00%
Facility fee payable (as a percent)			0.20%
Secured Credit Agreement | Maximum
Debt Instrument
Interest rate margin, Term SOFR loans and Euro currency rate loans			2.25%		2.25%
Interest rate margin, Base Rate loans (as a percent)			1.25%
Leverage Ratio			2.50
Facility fee payable (as a percent)			0.35%
Revolving Loans
Debt Instrument
Weighted average interest rate (as a percent)			6.60%		6.60%
Term Loan A
Debt Instrument
Total long-term debt			$ 1,391.0	1,391.0										1,426.0
Maximum Borrowing Capacity			$ 1,450.0
Senior Notes 5.875%, due 2023
Debt Instrument
Total long-term debt							$ 108.0		$ 142.0			$ 250.0		250.0
Interest rate, stated percentage			5.875%		5.875%		5.875%		5.875%	5.875%		5.875%	5.875%
Senior Notes 3.125%, due 2024 (58 million EUR at December 31, 2023 and 725 million EUR at December 31, 2022)
Debt Instrument
Total long-term debt			$ 62.0	63.0	€ 58.0	€ 58.0				€ 666.7			€ 725.0	754.0	€ 725.0
Interest rate, stated percentage			3.125%		3.125%				3.125%	3.125%		3.125%	3.125%
Fair values of fixed rate debt obligations
Principal Amount			$ 63.0
Indicated Market Price (in dollars per share) | $ / shares			$ 99.94
Fair Value			$ 63.0
Senior Notes 6.375%, due 2025
Debt Instrument
Total long-term debt			$ 299.0	299.0										298.0
Interest rate, stated percentage			6.375%		6.375%
Fair values of fixed rate debt obligations
Principal Amount			$ 300.0
Indicated Market Price (in dollars per share) | $ / shares			$ 100.52
Fair Value			$ 302.0
Senior Notes, 5.375% due 2025
Debt Instrument
Total long-term debt			$ 17.0	17.0					$ 282.8		$ 300.0			299.0
Interest rate, stated percentage			5.375%		5.375%				5.375%	5.375%	5.375%
Fair values of fixed rate debt obligations
Principal Amount			$ 17.0
Indicated Market Price (in dollars per share) | $ / shares			$ 100.37
Fair Value			$ 17.0
Senior Notes 2.875%, due 2025 (500 million EUR)
Debt Instrument
Total long-term debt			$ 537.0	551.0	€ 500.0	€ 500.0								542.0	€ 500.0
Interest rate, stated percentage			2.875%		2.875%
Fair values of fixed rate debt obligations
Principal Amount			$ 539.0
Indicated Market Price (in dollars per share) | $ / shares			$ 98.79
Fair Value			$ 532.0
Senior Notes 6.625%, due 2027
Debt Instrument
Total long-term debt			$ 608.0	608.0	€ 600.0									607.0
Interest rate, stated percentage			6.625%		6.625%
Fair values of fixed rate debt obligations
Principal Amount			$ 612.0
Indicated Market Price (in dollars per share) | $ / shares			$ 100.13
Fair Value			$ 613.0
Senior Notes 6.250%, due 2028 (600 million EUR)
Debt Instrument
Total long-term debt			$ 640.0	656.0	€ 600.0
Interest rate, stated percentage	6.25%		6.25%		6.25%			6.25%
Net proceeds, after deducting debt issuance costs | €		€ 593.0
Face value | €								€ 600.0
Fair values of fixed rate debt obligations
Principal Amount			$ 647.0
Indicated Market Price (in dollars per share) | $ / shares			$ 104.49
Fair Value			$ 676.0
Senior Notes 4.750%, due 2030
Debt Instrument
Total long-term debt			$ 396.0	396.0										396.0
Interest rate, stated percentage			4.75%		4.75%
Fair values of fixed rate debt obligations
Principal Amount			$ 400.0
Indicated Market Price (in dollars per share) | $ / shares			$ 92.01
Fair Value			$ 368.0
Senior Notes 7.250% due 2031
Debt Instrument
Total long-term debt			$ 682.0	682.0
Interest rate, stated percentage	7.25%		7.25%		7.25%			7.25%
Net proceeds, after deducting debt issuance costs	$ 682.0
Face value	$ 690.0
Fair values of fixed rate debt obligations
Principal Amount			$ 690.0
Indicated Market Price (in dollars per share) | $ / shares			$ 101.92
Fair Value			$ 703.0
Finance leases
Debt Instrument
Total long-term debt			181.0	174.0										147.0
Other debt
Debt Instrument
Total long-term debt			2.0	$ 3.0										$ 4.0
Revolving Credit Facility
Debt Instrument
Maximum Borrowing Capacity			300.0
Delayed draw term loan facility
Debt Instrument
Maximum Borrowing Capacity																600.0
Term loans in aggregate
Debt Instrument
Maximum Borrowing Capacity																$ 500.0
Multicurrency Revolving Credit Facility
Debt Instrument
Maximum Borrowing Capacity			$ 950.0