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Debt - Carrying Amount and Fair Value of Long-Term Debt Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 13,036,654	$ 12,034,622
UNAMORTIZED DEFERRED FINANCING COSTS	(97,079)	(101,452)
CARRYING AMOUNT	12,939,575	11,933,170
Debt, current portion	(125,409)	(120,670)
Unamortized debt issuance expense, net of current portion	0	0
Carrying amount, current maturities	(125,409)	(120,670)
Long term debt, gross, net of current portion	12,911,245	11,913,952
Unamortized deferred financing costs, noncurrent	(97,079)	(101,452)
Carrying amount, excluding current maturities	12,814,166	11,812,500
Accounts Receivable Securitization Program
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	373,800	358,500
UNAMORTIZED DEFERRED FINANCING COSTS	(809)	(317)
CARRYING AMOUNT	372,991	358,183
FAIR VALUE	373,800	358,183
Credit Agreement
Debt Instrument [Line Items]
Letters of credit outstanding	58,880
Credit Agreement | Revolving Credit Facility
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	745,000
UNAMORTIZED DEFERRED FINANCING COSTS	(4,065)
CARRYING AMOUNT	740,935
FAIR VALUE	745,000
Remaining capacity	$ 1,496,102
Weighted average interest rate (as a percent)	7.20%
Letters of credit outstanding	$ 8,898
Credit Agreement | UK Bilateral Revolving Credit Facility
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	177,043	178,239
UNAMORTIZED DEFERRED FINANCING COSTS	0	0
CARRYING AMOUNT	177,043	178,239
FAIR VALUE	177,043	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)	221,875	228,125
UNAMORTIZED DEFERRED FINANCING COSTS	0	0
CARRYING AMOUNT	221,875	228,125
FAIR VALUE	221,875	228,125
Term Loan Facility | Term Loan B due 2026
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	655,911	659,298
UNAMORTIZED DEFERRED FINANCING COSTS	(1,874)	(2,498)
CARRYING AMOUNT	654,037	656,800
FAIR VALUE	656,250	659,750
Term Loan Facility | Term Loan B due 2031
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	1,185,635	1,191,000
UNAMORTIZED DEFERRED FINANCING COSTS	(12,369)	(13,026)
CARRYING AMOUNT	1,173,266	1,177,974
FAIR VALUE	1,194,000	1,200,000
Term Loan Facility | Virginia 3 Term Loans
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	221,615	101,218
UNAMORTIZED DEFERRED FINANCING COSTS	(3,771)	(4,641)
CARRYING AMOUNT	217,844	96,577
FAIR VALUE	221,615	101,218
Term Loan Facility | Virginia 4/5 Term Loans
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	61,513	16,338
UNAMORTIZED DEFERRED FINANCING COSTS	(4,286)	(5,892)
CARRYING AMOUNT	57,227	10,446
FAIR VALUE	61,513	16,338
Term Loan Facility | Virginia 6 Term Loan
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	53,825	0
UNAMORTIZED DEFERRED FINANCING COSTS	(5,585)	0
CARRYING AMOUNT	48,240	0
FAIR VALUE	$ 53,825	0
Stated interest rate (as a percent)	5.30%
Australian Dollar Term Loan
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 191,334	197,743
UNAMORTIZED DEFERRED FINANCING COSTS	(365)	(482)
CARRYING AMOUNT	190,969	197,261
FAIR VALUE	192,498	199,195
Senior Notes | GBP Notes
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	505,836	509,254
UNAMORTIZED DEFERRED FINANCING COSTS	(1,274)	(1,763)
CARRYING AMOUNT	504,562	507,491
FAIR VALUE	$ 492,780	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	(4,621)	(5,332)
CARRYING AMOUNT	995,379	994,668
FAIR VALUE	$ 962,500	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	(4,428)	(5,019)
CARRYING AMOUNT	820,572	819,981
FAIR VALUE	$ 796,125	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	(2,954)	(3,316)
CARRYING AMOUNT	497,046	496,684
FAIR VALUE	$ 477,500	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	(9,750)	(10,813)
CARRYING AMOUNT	990,250	989,187
FAIR VALUE	$ 1,012,500	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	(7,595)	(8,318)
CARRYING AMOUNT	992,405	991,682
FAIR VALUE	$ 937,500	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	(9,151)	(9,903)
CARRYING AMOUNT	1,290,849	1,290,097
FAIR VALUE	$ 1,228,500	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	(8,296)	(8,917)
CARRYING AMOUNT	1,091,704	1,091,083
FAIR VALUE	$ 990,000	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	(10,553)	(11,206)
CARRYING AMOUNT	739,447	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	(4,695)	(4,985)
CARRYING AMOUNT	595,305	595,015
FAIR VALUE	$ 565,500	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)	$ 568,267	519,907
UNAMORTIZED DEFERRED FINANCING COSTS	(638)	(403)
CARRYING AMOUNT	567,629	519,504
FAIR VALUE	$ 568,267	$ 519,907

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