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Debt - Carrying Amount and Fair Value of Long-Term Debt Instruments (Details) $ in Thousands, $ in Thousands	Jun. 30, 2025 USD ($)	Jun. 30, 2025 AUD ($)	Dec. 31, 2024 USD ($)
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 15,701,797		$ 13,836,364
UNAMORTIZED DEFERRED FINANCING COSTS	(105,741)		(117,278)
CARRYING AMOUNT	15,596,056		13,719,086
Debt, current portion	(777,881)		(715,109)
Unamortized debt issuance expense, net of current portion	0		0
Carrying amount, current maturities	(777,881)		(715,109)
Long term debt, gross, net of current portion	14,923,916		13,121,255
Unamortized deferred financing costs, noncurrent	(105,741)		(117,278)
Carrying amount, excluding current maturities	14,818,175		13,003,977
Accounts Receivable Securitization Program
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	400,000		400,000
UNAMORTIZED DEFERRED FINANCING COSTS	(536)		(670)
CARRYING AMOUNT	399,464		399,330
FAIR VALUE	400,000		400,000
Credit Agreement | Revolving Credit Facility
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	1,086,500
UNAMORTIZED DEFERRED FINANCING COSTS	(9,171)
CARRYING AMOUNT	1,077,329
FAIR VALUE	1,086,500
Remaining capacity	$ 1,645,572
Weighted average interest rate (as a percent)	6.20%	6.20%
Credit Agreement | Revolving Credit Facility, Netting
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)			121,000
UNAMORTIZED DEFERRED FINANCING COSTS			(9,253)
CARRYING AMOUNT			111,747
FAIR VALUE			121,000
Credit Agreement | UK Bilateral Revolving Credit Facility
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 191,997		175,503
UNAMORTIZED DEFERRED FINANCING COSTS	(984)		(1,034)
CARRYING AMOUNT	191,013		174,469
FAIR VALUE	191,997		175,503
Term Loan Facility | Term Loan A
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	500,000		216,016
UNAMORTIZED DEFERRED FINANCING COSTS	0		0
CARRYING AMOUNT	500,000		216,016
FAIR VALUE	500,000		216,016
Term Loan Facility | Term Loan B
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	1,831,699		1,840,181
UNAMORTIZED DEFERRED FINANCING COSTS	(13,461)		(14,690)
CARRYING AMOUNT	1,818,238		1,825,491
FAIR VALUE	1,841,351		1,850,698
Term Loan Facility | Virginia 3 Term Loans
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	271,079		271,079
UNAMORTIZED DEFERRED FINANCING COSTS	(2,145)		(3,013)
CARRYING AMOUNT	268,934		268,066
FAIR VALUE	271,079		271,079
Term Loan Facility | Virginia 4/5 Term Loans
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	195,547		76,535
UNAMORTIZED DEFERRED FINANCING COSTS	(1,087)		(2,752)
CARRYING AMOUNT	194,460		73,783
FAIR VALUE	195,547		76,535
Term Loan Facility | Virginia 6 Term Loan
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	202,125		137,495
UNAMORTIZED DEFERRED FINANCING COSTS	(3,619)		(4,605)
CARRYING AMOUNT	198,506		132,890
FAIR VALUE	202,125		137,495
Term Loan Facility | Virginia 7 Term Loan
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	207,920		32,074
UNAMORTIZED DEFERRED FINANCING COSTS	(6,453)		(7,591)
CARRYING AMOUNT	201,467		24,483
FAIR VALUE	207,920		32,074
Australian Dollar Term Loan
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	260,150	$ 400,000	175,813
UNAMORTIZED DEFERRED FINANCING COSTS	(1,984)		(265)
CARRYING AMOUNT	258,166		175,548
FAIR VALUE	262,053		176,655
Senior Notes | GBP Notes
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	548,564		501,437
UNAMORTIZED DEFERRED FINANCING COSTS	(345)		(789)
CARRYING AMOUNT	548,219		500,648
FAIR VALUE	542,393		490,155
Senior Notes | 47/8% Notes due 2027
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	1,000,000		1,000,000
UNAMORTIZED DEFERRED FINANCING COSTS	(3,199)		(3,910)
CARRYING AMOUNT	996,801		996,090
FAIR VALUE	$ 991,250		972,500
Stated interest rate (as a percent)	4.875%	4.875%
Senior Notes | 51/4% Notes due 2028
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 825,000		825,000
UNAMORTIZED DEFERRED FINANCING COSTS	(3,247)		(3,838)
CARRYING AMOUNT	821,753		821,162
FAIR VALUE	$ 818,813		804,375
Stated interest rate (as a percent)	5.25%	5.25%
Senior Notes | 5% Notes due 2028
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 500,000		500,000
UNAMORTIZED DEFERRED FINANCING COSTS	(2,231)		(2,592)
CARRYING AMOUNT	497,769		497,408
FAIR VALUE	$ 494,375		481,250
Stated interest rate (as a percent)	5.00%	5.00%
Senior Notes | 7% Notes due 2029
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 1,000,000		1,000,000
UNAMORTIZED DEFERRED FINANCING COSTS	(7,623)		(8,686)
CARRYING AMOUNT	992,377		991,314
FAIR VALUE	$ 1,032,500		1,020,000
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
UNAMORTIZED DEFERRED FINANCING COSTS	(6,148)		(6,871)
CARRYING AMOUNT	993,852		993,129
FAIR VALUE	$ 978,750		945,000
Stated interest rate (as a percent)	4.875%	4.875%
Senior Notes | 51/4% Notes due 2030
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 1,300,000		1,300,000
UNAMORTIZED DEFERRED FINANCING COSTS	(7,647)		(8,399)
CARRYING AMOUNT	1,292,353		1,291,601
FAIR VALUE	$ 1,278,875		1,235,000
Stated interest rate (as a percent)	5.25%	5.25%
Senior Notes | 41/2% Notes
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 1,100,000		1,100,000
UNAMORTIZED DEFERRED FINANCING COSTS	(7,052)		(7,674)
CARRYING AMOUNT	1,092,948		1,092,326
FAIR VALUE	$ 1,043,625		1,001,000
Stated interest rate (as a percent)	4.50%	4.50%
Senior Notes | 5% Notes due 2032
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 750,000		750,000
UNAMORTIZED DEFERRED FINANCING COSTS	(9,247)		(9,900)
CARRYING AMOUNT	740,753		740,100
FAIR VALUE	$ 716,250		688,125
Stated interest rate (as a percent)	5.00%	5.00%
Senior Notes | 55/8% Notes
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 600,000		600,000
UNAMORTIZED DEFERRED FINANCING COSTS	(4,114)		(4,404)
CARRYING AMOUNT	595,886		595,596
FAIR VALUE	$ 592,500		570,000
Stated interest rate (as a percent)	5.625%	5.625%
Senior Notes | 61/4 % Notes due 2033
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 1,200,000		1,200,000
UNAMORTIZED DEFERRED FINANCING COSTS	(13,653)		(14,517)
CARRYING AMOUNT	1,186,347		1,185,483
FAIR VALUE	$ 1,230,000		1,194,000
Stated interest rate (as a percent)	6.25%	6.25%
Real Estate Mortgages, Financing Lease Liabilities and Other
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 731,216		614,231
UNAMORTIZED DEFERRED FINANCING COSTS	(1,795)		(1,825)
CARRYING AMOUNT	729,421		612,406
FAIR VALUE	$ 731,216		$ 614,231

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