Debt (Details) $ / shares in Units, € in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($) $ / shares	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) agreement $ / shares	Jun. 30, 2024 EUR (€)	May 31, 2024 USD ($)	May 31, 2024 EUR (€)	Mar. 31, 2024 USD ($)	Mar. 31, 2024 EUR (€)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 EUR (€)	Aug. 31, 2023 USD ($)	Jun. 30, 2023 EUR (€)	May 31, 2023 USD ($)	May 31, 2023 EUR (€)	May 26, 2023 USD ($)	May 26, 2023 EUR (€)	Mar. 25, 2022 USD ($)
Debt Instrument
Total long-term debt	$ 4,995.0	$ 4,939.0	$ 4,995.0						$ 4,840.0
Less amounts due within one year	347.0	161.0	347.0						142.0
Long-term debt	4,648.0	4,778.0	4,648.0						4,698.0
Additional interest charges for note repurchase premiums and write-off of unamortized finance fees	2.0	39.0
Maximum Borrowing Capacity																	$ 2,800.0
Secured Credit Agreement
Debt Instrument
Unused Credit	$ 1,240.0		$ 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%	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%	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)	6.87%		6.87%	6.87%
Term Loan A
Debt Instrument
Total long-term debt	$ 1,392.0	1,427.0	$ 1,392.0						1,391.0
Maximum Borrowing Capacity	1,450.0		1,450.0
Senior Notes 5.875%, due 2023
Debt Instrument
Total long-term debt		$ 108.0									$ 108.0				$ 142.0
Interest rate, stated percentage		5.875%									5.875%	5.875%			5.875%	5.875%
3.125%, due 2024 (€58 million at June 30, 2024 and December 31, 2023 and €725 million at June 30, 2023)
Debt Instrument
Total long-term debt	$ 62.0	$ 61.0	$ 62.0	€ 58.0				€ 58.0	63.0	€ 58.0						€ 666.7
Interest rate, stated percentage	3.125%		3.125%	3.125%			3.125%	3.125%							3.125%	3.125%
Fair values of fixed rate debt obligations
Principal Amount	$ 62.0		$ 62.0
Indicated Market Price (in dollars per share) | $ / shares	$ 99.70		$ 99.70
Fair Value	$ 62.0		$ 62.0
Senior Notes 6.375%, due 2025
Debt Instrument
Total long-term debt		298.0			$ 300.0				299.0
Interest rate, stated percentage	6.375%		6.375%	6.375%	6.375%	6.375%
Senior Notes, 5.375% due 2025
Debt Instrument
Total long-term debt	$ 17.0	17.0	$ 17.0				$ 17.0		17.0						$ 282.8
Interest rate, stated percentage	5.375%		5.375%	5.375%			5.375%	5.375%							5.375%	5.375%
Fair values of fixed rate debt obligations
Principal Amount	$ 17.0		$ 17.0
Indicated Market Price (in dollars per share) | $ / shares	$ 99.91		$ 99.91
Fair Value	$ 17.0		$ 17.0
2.875%, due 2025 (€176 million at June 30, 2024, €500 million at December 31, 2023 and June 30, 2023)
Debt Instrument
Total long-term debt	$ 188.0	541.0	$ 188.0	€ 176.0		€ 323.4			551.0	€ 500.0		€ 500.0
Interest rate, stated percentage	2.875%		2.875%	2.875%	2.875%	2.875%
Fair values of fixed rate debt obligations
Principal Amount	$ 188.0		$ 188.0
Indicated Market Price (in dollars per share) | $ / shares	$ 99.08		$ 99.08
Fair Value	$ 186.0		$ 186.0
Senior Notes 6.625%, due 2027
Debt Instrument
Total long-term debt	$ 609.0	607.0	$ 609.0	€ 600.0					608.0
Interest rate, stated percentage	6.625%		6.625%	6.625%
Fair values of fixed rate debt obligations
Principal Amount	$ 612.0		$ 612.0
Indicated Market Price (in dollars per share) | $ / shares	$ 99.88		$ 99.88
Fair Value	$ 611.0		$ 611.0
6.250%, due 2028 (€600 million)
Debt Instrument
Total long-term debt	$ 635.0	645.0	$ 635.0	€ 600.0					656.0
Interest rate, stated percentage	6.25%		6.25%	6.25%									6.25%	6.25%
Face value | €														€ 600.0
Fair values of fixed rate debt obligations
Principal Amount	$ 641.0		$ 641.0
Indicated Market Price (in dollars per share) | $ / shares	$ 103.51		$ 103.51
Fair Value	$ 663.0		$ 663.0
5.250%, due 2029 (€500 million)
Debt Instrument
Total long-term debt	$ 527.0		$ 527.0	€ 500.0
Interest rate, stated percentage	5.25%		5.25%	5.25%	5.25%	5.25%
Face value | €						€ 500.0
Fair values of fixed rate debt obligations
Principal Amount	$ 534.0		$ 534.0
Indicated Market Price (in dollars per share) | $ / shares	$ 100.51		$ 100.51
Fair Value	$ 537.0		$ 537.0
Senior Notes 4.750%, due 2030
Debt Instrument
Total long-term debt	$ 397.0	396.0	$ 397.0						396.0
Interest rate, stated percentage	4.75%		4.75%	4.75%
Fair values of fixed rate debt obligations
Principal Amount	$ 400.0		$ 400.0
Indicated Market Price (in dollars per share) | $ / shares	$ 91.42		$ 91.42
Fair Value	$ 366.0		$ 366.0
Senior Notes 7.250% due 2031
Debt Instrument
Total long-term debt	$ 682.0	679.0	$ 682.0						682.0
Interest rate, stated percentage	7.25%		7.25%	7.25%									7.25%	7.25%
Face value													$ 690.0
Fair values of fixed rate debt obligations
Principal Amount	$ 690.0		$ 690.0
Indicated Market Price (in dollars per share) | $ / shares	$ 100.05		$ 100.05
Fair Value	$ 690.0		$ 690.0
Senior Notes 7.375% due 2032
Debt Instrument
Total long-term debt	$ 296.0		$ 296.0
Interest rate, stated percentage	7.375%		7.375%	7.375%	7.375%	7.375%
Face value					$ 300.0
Fair values of fixed rate debt obligations
Principal Amount	$ 300.0		$ 300.0
Indicated Market Price (in dollars per share) | $ / shares	$ 100.08		$ 100.08
Fair Value	$ 300.0		$ 300.0
Finance leases
Debt Instrument
Total long-term debt	189.0	157.0	189.0						174.0
Other debt
Debt Instrument
Total long-term debt	1.0	$ 3.0	1.0						$ 3.0
Revolving Credit Facility
Debt Instrument
Maximum Borrowing Capacity	300.0		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		$ 950.0