Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 12,803,501	$ 12,034,622
UNAMORTIZED DEFERRED FINANCING COSTS	(96,161)	(101,452)
CARRYING AMOUNT	12,707,340	11,933,170
Debt, current portion	(118,771)	(120,670)
Unamortized debt issuance expense, net of current portion	0	0
Carrying amount, current maturities	(118,771)	(120,670)
Long term debt, gross, net of current portion	12,684,730	11,913,952
Unamortized deferred financing costs, noncurrent	(96,161)	(101,452)
Carrying amount, excluding current maturities	12,588,569	11,812,500
Accounts Receivable Securitization Program
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	360,000	358,500
UNAMORTIZED DEFERRED FINANCING COSTS	(265)	(317)
CARRYING AMOUNT	359,735	358,183
FAIR VALUE	360,000	358,183
Credit Agreement
Debt Instrument [Line Items]
Letters of credit outstanding	38,796
Credit Agreement | Revolving Credit Facility
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	660,000
UNAMORTIZED DEFERRED FINANCING COSTS	(4,265)
CARRYING AMOUNT	655,735
FAIR VALUE	660,000
Remaining capacity	$ 1,585,174
Weighted average interest rate (as a percent)	7.30%
Letters of credit outstanding	$ 4,826
Credit Agreement | UK Bilateral Revolving Credit Facility
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	176,737	178,239
UNAMORTIZED DEFERRED FINANCING COSTS	0	0
CARRYING AMOUNT	176,737	178,239
FAIR VALUE	176,737	178,239
Credit Agreement | Revolving Credit Facility, Netting
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)		0
UNAMORTIZED DEFERRED FINANCING COSTS		(4,621)
CARRYING AMOUNT		(4,621)
FAIR VALUE		0
Term Loan Facility | Term Loan A
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	225,000	228,125
UNAMORTIZED DEFERRED FINANCING COSTS	0	0
CARRYING AMOUNT	225,000	228,125
FAIR VALUE	225,000	228,125
Term Loan Facility | Term Loan B due 2026
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	657,605	659,298
UNAMORTIZED DEFERRED FINANCING COSTS	(2,186)	(2,498)
CARRYING AMOUNT	655,419	656,800
FAIR VALUE	658,000	659,750
Term Loan Facility | Term Loan B due 2031
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	1,188,318	1,191,000
UNAMORTIZED DEFERRED FINANCING COSTS	(12,610)	(13,026)
CARRYING AMOUNT	1,175,708	1,177,974
FAIR VALUE	1,197,000	1,200,000
Term Loan Facility | Virginia 3 Term Loans
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	165,555	101,218
UNAMORTIZED DEFERRED FINANCING COSTS	(4,206)	(4,641)
CARRYING AMOUNT	161,349	96,577
FAIR VALUE	165,555	101,218
Term Loan Facility | Virginia 4/5 Term Loans
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	49,994	16,338
UNAMORTIZED DEFERRED FINANCING COSTS	(5,089)	(5,892)
CARRYING AMOUNT	44,905	10,446
FAIR VALUE	49,994	16,338
Australian Dollar Term Loan
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	188,064	197,743
UNAMORTIZED DEFERRED FINANCING COSTS	(426)	(482)
CARRYING AMOUNT	187,638	197,261
FAIR VALUE	189,327	199,195
Senior Notes | GBP Notes
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	504,963	509,254
UNAMORTIZED DEFERRED FINANCING COSTS	(1,510)	(1,763)
CARRYING AMOUNT	503,453	507,491
FAIR VALUE	$ 487,809	489,108
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
UNAMORTIZED DEFERRED FINANCING COSTS	(4,976)	(5,332)
CARRYING AMOUNT	995,024	994,668
FAIR VALUE	$ 960,000	967,500
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
UNAMORTIZED DEFERRED FINANCING COSTS	(4,724)	(5,019)
CARRYING AMOUNT	820,276	819,981
FAIR VALUE	$ 794,063	800,250
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
UNAMORTIZED DEFERRED FINANCING COSTS	(3,135)	(3,316)
CARRYING AMOUNT	496,865	496,684
FAIR VALUE	$ 476,250	478,750
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	1,000,000
UNAMORTIZED DEFERRED FINANCING COSTS	(10,281)	(10,813)
CARRYING AMOUNT	989,719	989,187
FAIR VALUE	$ 1,015,000	1,027,500
Stated interest rate (as a percent)	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	(7,956)	(8,318)
CARRYING AMOUNT	992,044	991,682
FAIR VALUE	$ 932,500	945,000
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
UNAMORTIZED DEFERRED FINANCING COSTS	(9,527)	(9,903)
CARRYING AMOUNT	1,290,473	1,290,097
FAIR VALUE	$ 1,225,250	1,241,500
Stated interest rate (as a percent)	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	(8,607)	(8,917)
CARRYING AMOUNT	1,091,393	1,091,083
FAIR VALUE	$ 987,250	995,500
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
UNAMORTIZED DEFERRED FINANCING COSTS	(10,880)	(11,206)
CARRYING AMOUNT	739,120	738,794
FAIR VALUE	$ 682,500	684,375
Stated interest rate (as a percent)	5.00%
Senior Notes | 55/8% Notes
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 600,000	600,000
UNAMORTIZED DEFERRED FINANCING COSTS	(4,840)	(4,985)
CARRYING AMOUNT	595,160	595,015
FAIR VALUE	$ 567,000	567,000
Stated interest rate (as a percent)	5.625%
Real Estate Mortgages, Financing Lease Liabilities and Other
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 552,265	519,907
UNAMORTIZED DEFERRED FINANCING COSTS	(678)	(403)
CARRYING AMOUNT	551,587	519,504
FAIR VALUE	$ 552,265	$ 519,907