Financing Arrangements and Debt - Narrative (Details) - USD ($)		1 Months Ended	12 Months Ended
	Mar. 31, 2021	Aug. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Aug. 05, 2021
Line of Credit Facility [Line Items]
Amount outstanding			$ 0	$ 200,000,000
Debt extinguishment cost			39,335,000	$ 0	$ 26,626,000
Future maturities of long term debt in 2022			0
Future maturities of long term debt in 2023			0
Future maturities of long term debt in 2024			242,400,000
Future maturities of long term debt in 2025			548,700,000
Future maturities of long term debt in 2026			0
Future maturities of long term debt, thereafter			$ 1,690,000,000
6.375% notes, due July 2028
Line of Credit Facility [Line Items]
Face amount of notes	$ 550,000,000
Interest rate	6.375%		6.375%
Transaction costs	$ 8,100,000
4.00% Notes Due June 2022
Line of Credit Facility [Line Items]
Interest rate	4.00%
Repayments of debt	$ 259,300,000
4.95% Notes Due December 2022
Line of Credit Facility [Line Items]
Interest rate	4.95%
Repayments of debt	$ 317,100,000
3.70% Notes Due 2022
Line of Credit Facility [Line Items]
Interest rate	3.70%
4.00%, and 4.95% Notes Due 2022
Line of Credit Facility [Line Items]
Cost of debt extinguishment			$ 36,900,000
Debt extinguishment cost			34,200,000
6.875% Notes Due 2024
Line of Credit Facility [Line Items]
Interest rate						6.875%
Debt extinguishment cost		$ 2,600,000	2,600,000
Repurchase amount			150,000,000			$ 150,000,000
Gain (loss) on extinguishment of debt		$ (3,500,000)	(3,400,000)
2018 Revolving Credit Facility
Line of Credit Facility [Line Items]
Amount outstanding			$ 0
Interest rate on credit facility			1.78%
2018 Revolving Credit Facility | Letter of Credit
Line of Credit Facility [Line Items]
Credit facility maximum borrowing capacity			$ 1,600,000,000
Amount outstanding			$ 31,400,000