Debt - Long Term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2023	May 15, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Debt (inclusive of discount)	$ 12,034,622		$ 10,650,265
Net Deferred Financing Costs	(101,452)		(81,270)
Total Long-term Debt (including current portion)	11,933,170		10,568,995
Debt, current portion	(120,670)		(87,546)
Unamortized debt issuance expense, net of current portion	0		0
Carrying amount, current portion	(120,670)		(87,546)
Long-term debt, net of current portion	11,913,952		10,562,719
Unamortized deferred financing costs	(101,452)		(81,270)
Long-term debt, net of current portion	$ 11,812,500		10,481,449
Capital stock of subsidiaries pledged to secure debt (as a percent)	66.00%
Unamortized original issue discount	$ 10,904
Present value of lease obligations	349,865		332,905
Accounts Receivable Securitization Program
Debt Instrument [Line Items]
Debt (inclusive of discount)	358,500		314,700
Net Deferred Financing Costs	(317)		(531)
Total Long-term Debt (including current portion)	358,183		314,169
Fair value	$ 358,183		314,700
Credit Agreement
Debt Instrument [Line Items]
Capital stock of subsidiaries pledged to secure debt (as a percent)	66.00%
Credit Agreement | Virginia 4/5 Term Loan
Debt Instrument [Line Items]
Debt (inclusive of discount)	$ 16,338
Credit Agreement | Revolving Credit Facility, Netting
Debt Instrument [Line Items]
Debt (inclusive of discount)	0
Net Deferred Financing Costs	(4,621)
Total Long-term Debt (including current portion)	(4,621)
Fair value	0
Credit Agreement | Revolving Credit Facility
Debt Instrument [Line Items]
Debt (inclusive of discount)	0		1,072,200
Net Deferred Financing Costs			(6,790)
Total Long-term Debt (including current portion)			1,065,410
Fair value			1,072,200
Credit Agreement | UK Bilateral Revolving Credit Facility
Debt Instrument [Line Items]
Debt (inclusive of discount)	178,239		169,361
Net Deferred Financing Costs	0		0
Total Long-term Debt (including current portion)	178,239		169,361
Fair value	178,239		169,361
Term Loan Facility | Term Loan A
Debt Instrument [Line Items]
Debt (inclusive of discount)	228,125		240,625
Net Deferred Financing Costs	0		0
Total Long-term Debt (including current portion)	228,125		240,625
Fair value	228,125		240,625
Term Loan Facility | Term Loan B due 2026
Debt Instrument [Line Items]
Debt (inclusive of discount)	659,298		666,073
Net Deferred Financing Costs	(2,498)		(3,747)
Total Long-term Debt (including current portion)	656,800		662,326
Fair value	659,750		666,750
Unamortized original issue discount	452		677
Term Loan Facility | Term Loan B, Due 2031
Debt Instrument [Line Items]
Debt (inclusive of discount)	1,191,000		0
Net Deferred Financing Costs	(13,026)		0
Total Long-term Debt (including current portion)	1,177,974		0
Fair value	1,200,000		0
Unamortized original issue discount	9,000
Term Loan Facility | Virginia 3 Term Loan
Debt Instrument [Line Items]
Debt (inclusive of discount)	101,218		0
Net Deferred Financing Costs	(4,641)		0
Total Long-term Debt (including current portion)	96,577		0
Fair value	101,218		0
Term Loan Facility | Virginia 4/5 Term Loan
Debt Instrument [Line Items]
Debt (inclusive of discount)			0
Net Deferred Financing Costs	(5,892)		0
Total Long-term Debt (including current portion)	10,446		0
Fair value	16,338		0
Australian Dollar Term Loan
Debt Instrument [Line Items]
Debt (inclusive of discount)	197,743		202,641
Net Deferred Financing Costs	(482)		(633)
Total Long-term Debt (including current portion)	197,261		202,008
Fair value	199,195		204,623
Unamortized original issue discount	1,452		1,982
Senior Notes | 37/8% GBP Senior Notes due 2025
Debt Instrument [Line Items]
Debt (inclusive of discount)	509,254		483,888
Net Deferred Financing Costs	(1,763)		(2,589)
Total Long-term Debt (including current portion)	507,491		481,299
Fair value	$ 489,108		445,206
Stated interest rate (as a percent)	3.875%
Senior Notes | 47/8% Notes due 2027
Debt Instrument [Line Items]
Debt (inclusive of discount)	$ 1,000,000		1,000,000
Net Deferred Financing Costs	(5,332)		(6,754)
Total Long-term Debt (including current portion)	994,668		993,246
Fair value	$ 967,500		917,500
Stated interest rate (as a percent)	4.875%
Senior Notes | 51/4% Notes due 2028
Debt Instrument [Line Items]
Debt (inclusive of discount)	$ 825,000		825,000
Net Deferred Financing Costs	(5,019)		(6,200)
Total Long-term Debt (including current portion)	819,981		818,800
Fair value	$ 800,250		754,875
Stated interest rate (as a percent)	5.25%
Senior Notes | 5% Notes due 2028
Debt Instrument [Line Items]
Debt (inclusive of discount)	$ 500,000		500,000
Net Deferred Financing Costs	(3,316)		(4,039)
Total Long-term Debt (including current portion)	496,684		495,961
Fair value	$ 478,750		450,000
Stated interest rate (as a percent)	5.00%
Senior Notes | 7% Notes due 2029
Debt Instrument [Line Items]
Debt (inclusive of discount)	$ 1,000,000		0
Net Deferred Financing Costs	(10,813)		0
Total Long-term Debt (including current portion)	989,187		0
Fair value	$ 1,027,500		0
Stated interest rate (as a percent)	7.00%	7.00%
Senior Notes | 47/8% Notes due 2029
Debt Instrument [Line Items]
Debt (inclusive of discount)	$ 1,000,000		1,000,000
Net Deferred Financing Costs	(8,318)		(9,764)
Total Long-term Debt (including current portion)	991,682		990,236
Fair value	$ 945,000		865,000
Stated interest rate (as a percent)	4.875%
Senior Notes | 51/4% Notes due 2030
Debt Instrument [Line Items]
Debt (inclusive of discount)	$ 1,300,000		1,300,000
Net Deferred Financing Costs	(9,903)		(11,407)
Total Long-term Debt (including current portion)	1,290,097		1,288,593
Fair value	$ 1,241,500		1,111,500
Stated interest rate (as a percent)	5.25%
Senior Notes | 41/2% Notes due 2031
Debt Instrument [Line Items]
Debt (inclusive of discount)	$ 1,100,000		1,100,000
Net Deferred Financing Costs	(8,917)		(10,161)
Total Long-term Debt (including current portion)	1,091,083		1,089,839
Fair value	$ 995,500		891,000
Stated interest rate (as a percent)	4.50%
Senior Notes | 5% Notes due 2032
Debt Instrument [Line Items]
Debt (inclusive of discount)	$ 750,000		750,000
Net Deferred Financing Costs	(11,206)		(12,511)
Total Long-term Debt (including current portion)	738,794		737,489
Fair value	$ 684,375		622,500
Stated interest rate (as a percent)	5.00%
Senior Notes | 55/8% Notes due 2032
Debt Instrument [Line Items]
Debt (inclusive of discount)	$ 600,000		600,000
Net Deferred Financing Costs	(4,985)		(5,566)
Total Long-term Debt (including current portion)	595,015		594,434
Fair value	$ 567,000		520,500
Stated interest rate (as a percent)	5.625%
Real Estate Mortgages, Finance Lease Liabilities And Other
Debt Instrument [Line Items]
Debt (inclusive of discount)	$ 519,907		425,777
Net Deferred Financing Costs	(403)		(578)
Total Long-term Debt (including current portion)	519,504		425,199
Fair value	519,907		425,777
Long term debt fair value	$ 519,907		$ 425,777
Mortgages
Debt Instrument [Line Items]
Stated interest rate (as a percent)	3.60%		3.60%
Long term debt fair value	$ 57,753		$ 58,355
Other Notes And Obligations
Debt Instrument [Line Items]
Long term debt fair value	$ 112,289		$ 34,517
Weighted average interest rate (as a percent)	8.50%		10.10%
Mortgage Securitization Program
Debt Instrument [Line Items]
Fair value	$ 50,000		$ 50,000
Finance Lease Obligations
Debt Instrument [Line Items]
Weighted average interest rate (as a percent)	6.10%		5.20%