Debt Level 4 (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Debt Instrument [Line Items]
Repayments of Debt			$ 509,200	$ 1,228,500
Repayments of Other Debt			6,500	5,300
Losses on early extinguishment of debt, net	$ 0	$ (25)	0	(25)
Total debt	5,029,639		5,029,639		$ 4,835,298
Less current maturities	(67,284)		(67,284)		(83,850)
Long-Term Debt, Excluding Current Maturities	$ 4,962,355		$ 4,962,355		$ 4,751,448
Debt, Weighted Average Interest Rate	4.97%		4.97%		4.93%
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate	4.67%		4.67%		4.64%
Letters of Credit, Maximum Borrowing Capacity	$ 1,000		$ 1,000		$ 39,000
Interest Paid, Including Capitalized Interest, Operating and Investing Activities			159,500	172,500
Unamortized Debt Issuance Expense	$ (38,513)		(38,513)		$ (43,981)
Proceeds from Issuance of Debt			$ 688,500	1,336,100
Bank Facility Interest Rate	6.26%		6.26%		6.46%
Payments of Debt Issuance Costs			$ 0	15,246
Long-term debt	$ 4,962,355		4,962,355		$ 4,751,448
Proceeds from Other Debt				6,100
January 2028
Debt Instrument [Line Items]
Notes Payable to Bank, Noncurrent	628,594		628,594		641,250
Bank credit facility	285,000		285,000		120,000
Payments of Debt Issuance Costs			14,100
Bank Credit Facility 2028
Debt Instrument [Line Items]
Bank credit facility	285,000		285,000		120,000
Building Credit Facility February 2037
Debt Instrument [Line Items]
Bank credit facility	33,533	$ 0	33,533	$ 0
Construction Loan	33,533		33,533		0
Unsecured Debt [Member] | April 2027 [Member]
Debt Instrument [Line Items]
Senior Notes	136,924		136,924		136,924
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
Unsecured Debt [Member] | October 2032
Debt Instrument [Line Items]
Senior Notes	800,000		800,000		800,000
Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Finance Lease, Liability	152,596		152,596		145,061
Mortgages [Member]
Debt Instrument [Line Items]
Mortgage notes and other debt, maturities through 2047	$ 81,505		$ 81,505		$ 86,044