Debt Level 4 (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Debt Instrument [Line Items]
Repayments of Debt			$ 396,500	$ 83,700
Repayments of Other Debt			2,100	1,900
Losses on early extinguishment of debt, net	$ (54)	$ (1,225)	(1,114)	(1,225)
Total debt	4,513,714		4,513,714		$ 4,341,744
Current maturities of long-term debt	(61,341)		(61,341)		(90,661)
Less current maturities	61,341		61,341		90,661
Total long-term debt	$ 4,452,373		$ 4,452,373		$ 4,251,083
Debt, Weighted Average Interest Rate	5.14%		5.14%		4.00%
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate	4.32%		4.32%		4.32%
Letters of Credit, Maximum Borrowing Capacity	$ 33,500		$ 33,500
Interest Paid, Including Capitalized Interest, Operating and Investing Activities			108,500	76,200
Unamortized Debt Issuance Expense	$ (38,538)		(38,538)		$ (39,865)
Bank credit facility					$ 570,000
Redemption Premium			500	1,100
Proceeds from Issuance of Debt			$ 573,400
Bank Facility Interest Rate	7.20%		7.20%		5.64%
Debt Instrument, Increase (Decrease), Other, Net			$ 15,000	8,000
Payments of Debt Issuance Costs			7,471	$ 0
Payments of Financing Costs			7,500
May 2024 [Member]
Debt Instrument [Line Items]
Notes Payable to Bank, Noncurrent	$ 0		0		$ 536,250
Bank credit facility	0		0		570,000
January 2028
Debt Instrument [Line Items]
Notes Payable to Bank, Noncurrent	666,563		666,563		0
Bank credit facility	605,000		605,000		0
Bank Credit Facility 2028
Debt Instrument [Line Items]
Bank credit facility	605,000		605,000		0
Unsecured Debt [Member] | April 2027 [Member]
Debt Instrument [Line Items]
Senior Notes	137,424		137,424		138,274
Unsecured Debt [Member] | December 2027 [Member]
Debt Instrument [Line Items]
Senior Notes	550,000		550,000		550,000
Unsecured Debt [Member] | June 2029 [Member]
Debt Instrument [Line Items]
Senior Notes	750,000		750,000		750,000
Unsecured Debt [Member] | August 2030
Debt Instrument [Line Items]
Senior Notes	850,000		850,000		850,000
Unsecured Debt [Member] | May 2031
Debt Instrument [Line Items]
Senior Notes	800,000		800,000		800,000
Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Finance Lease, Liability	113,346		113,346		120,837
Mortgages [Member]
Debt Instrument [Line Items]
Mortgage notes and other debt, maturities through 2047	$ 79,919		$ 79,919		$ 66,248