Debt - Long Term Debt (Details) € in Thousands, $ in Thousands, $ in Thousands	Dec. 31, 2025 USD ($)	Dec. 31, 2025 EUR (€)	Dec. 31, 2025 AUD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2024 AUD ($)
Debt Instrument [Line Items]
Debt (inclusive of discount)	$ 16,544,473			$ 13,836,364
Net Deferred Financing Costs	(112,514)			(117,278)
Total Long-term Debt (including current portion)	16,431,959			13,719,086
Debt, current portion	(216,074)			(715,109)
Unamortized debt issuance expense, net of current portion	0			0
Carrying amount, current portion	(216,074)			(715,109)
Long-term debt, net of current portion	16,328,399			13,121,255
Unamortized deferred financing costs	(112,514)			(117,278)
Long-term debt, net of current portion	$ 16,215,885			13,003,977
Capital stock of subsidiaries pledged to secure debt (as a percent)	66.00%	66.00%	66.00%
Unamortized original issue discount	$ 12,294
Present value of lease obligations	527,199			406,841
Accounts Receivable Securitization Program
Debt Instrument [Line Items]
Debt (inclusive of discount)	400,000			400,000
Net Deferred Financing Costs	(404)			(670)
Total Long-term Debt (including current portion)	399,596			399,330
Fair value	$ 400,000			400,000
Credit Agreement
Debt Instrument [Line Items]
Capital stock of subsidiaries pledged to secure debt (as a percent)	66.00%	66.00%	66.00%
Credit Agreement | Revolving Credit Facility
Debt Instrument [Line Items]
Debt (inclusive of discount)	$ 751,500			121,000
Net Deferred Financing Costs	(8,207)			(9,253)
Total Long-term Debt (including current portion)	743,293			111,747
Fair value	751,500			121,000
Credit Agreement | UK Revolving Credit Facility
Debt Instrument [Line Items]
Debt (inclusive of discount)	188,385			175,503
Net Deferred Financing Costs	(2,002)			(1,034)
Total Long-term Debt (including current portion)	186,383			174,469
Fair value	188,385			175,503
Term Loan Facility | Term Loan A
Debt Instrument [Line Items]
Debt (inclusive of discount)	487,500			216,016
Net Deferred Financing Costs	0			0
Total Long-term Debt (including current portion)	487,500			216,016
Fair value	487,500			216,016
Term Loan Facility | Term Loan B
Debt Instrument [Line Items]
Debt (inclusive of discount)	2,020,957			1,840,181
Net Deferred Financing Costs	(12,465)			(14,690)
Total Long-term Debt (including current portion)	2,008,492			1,825,491
Fair value	2,031,495			1,850,698
Unamortized original issue discount	10,538			10,517
Term Loan Facility | Virginia 3 Term Loan
Debt Instrument [Line Items]
Debt (inclusive of discount)	271,079			271,079
Net Deferred Financing Costs	(1,189)			(3,013)
Total Long-term Debt (including current portion)	269,890			268,066
Fair value	271,079			271,079
Term Loan Facility | Virginia 4/5 Term Loan Due 2025
Debt Instrument [Line Items]
Debt (inclusive of discount)	0			76,535
Net Deferred Financing Costs	0			(2,752)
Total Long-term Debt (including current portion)	0			73,783
Fair value	0			76,535
Term Loan Facility | Virginia 6 Term Loan
Debt Instrument [Line Items]
Debt (inclusive of discount)	210,000			137,495
Net Deferred Financing Costs	(2,633)			(4,605)
Total Long-term Debt (including current portion)	207,367			132,890
Fair value	$ 210,000			$ 137,495
Stated interest rate (as a percent)	7.10%	7.10%	7.10%	7.10%	7.10%
Term Loan Facility | Virginia 7 Term Loan
Debt Instrument [Line Items]
Debt (inclusive of discount)	$ 275,314			$ 32,074
Net Deferred Financing Costs	(4,351)			(7,591)
Total Long-term Debt (including current portion)	270,963			24,483
Fair value	$ 275,314			$ 32,074
Stated interest rate (as a percent)	7.10%	7.10%	7.10%	7.00%	7.00%
Term Loan Facility | Virginia 4 And 5 Term Loan due 2030
Debt Instrument [Line Items]
Debt (inclusive of discount)	$ 208,224			$ 0
Net Deferred Financing Costs	(3,529)			0
Total Long-term Debt (including current portion)	204,695			0
Fair value	208,224			0
Australian Dollar Term Loan
Debt Instrument [Line Items]
Debt (inclusive of discount)	262,192		$ 395,000	175,813	$ 284,727
Net Deferred Financing Costs	(1,965)			(265)
Total Long-term Debt (including current portion)	260,227			175,548
Fair value	263,948			176,655
Unamortized original issue discount	1,756			842
Senior Notes | 37/8% GBP Senior Notes due 2025
Debt Instrument [Line Items]
Debt (inclusive of discount)	0			501,437
Net Deferred Financing Costs	0			(789)
Total Long-term Debt (including current portion)	0			500,648
Fair value	$ 0			490,155
Stated interest rate (as a percent)	3.875%	3.875%	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	(2,488)			(3,910)
Total Long-term Debt (including current portion)	997,512			996,090
Fair value	$ 995,000			972,500
Stated interest rate (as a percent)	4.875%	4.875%	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	(2,657)			(3,838)
Total Long-term Debt (including current portion)	822,343			821,162
Fair value	$ 823,969			804,375
Stated interest rate (as a percent)	5.25%	5.25%	5.25%
Senior Notes | 5% Notes due 2028
Debt Instrument [Line Items]
Debt (inclusive of discount)	$ 500,000			500,000
Net Deferred Financing Costs	(1,869)			(2,592)
Total Long-term Debt (including current portion)	498,131			497,408
Fair value	$ 497,500			481,250
Stated interest rate (as a percent)	5.00%	5.00%	5.00%
Senior Notes | 7% Notes due 2029
Debt Instrument [Line Items]
Debt (inclusive of discount)	$ 1,000,000			1,000,000
Net Deferred Financing Costs	(6,559)			(8,686)
Total Long-term Debt (including current portion)	993,441			991,314
Fair value	$ 1,025,000			1,020,000
Stated interest rate (as a percent)	7.00%	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	(5,425)			(6,871)
Total Long-term Debt (including current portion)	994,575			993,129
Fair value	$ 983,750			945,000
Stated interest rate (as a percent)	4.875%	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
Net Deferred Financing Costs	(6,894)			(8,399)
Total Long-term Debt (including current portion)	1,293,106			1,291,601
Fair value	$ 1,280,500			1,235,000
Stated interest rate (as a percent)	5.25%	5.25%	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	(6,430)			(7,674)
Total Long-term Debt (including current portion)	1,093,570			1,092,326
Fair value	$ 1,042,250			1,001,000
Stated interest rate (as a percent)	4.50%	4.50%	4.50%
Senior Notes | 5% Notes due 2032
Debt Instrument [Line Items]
Debt (inclusive of discount)	$ 750,000			750,000
Net Deferred Financing Costs	(8,595)			(9,900)
Total Long-term Debt (including current portion)	741,405			740,100
Fair value	$ 710,625			688,125
Stated interest rate (as a percent)	5.00%	5.00%	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	(3,823)			(4,404)
Total Long-term Debt (including current portion)	596,177			595,596
Fair value	$ 586,500			570,000
Stated interest rate (as a percent)	5.625%	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
Net Deferred Financing Costs	(12,752)			(14,517)
Total Long-term Debt (including current portion)	1,187,248			1,185,483
Fair value	$ 1,206,000			1,194,000
Stated interest rate (as a percent)	6.25%	6.25%	6.25%
Senior Notes | 43/4% Euro Senior Notes due 2034 (the "Euro Notes")
Debt Instrument [Line Items]
Debt (inclusive of discount)	$ 1,408,825	€ 1,200,000		0
Net Deferred Financing Costs	(16,765)			0
Total Long-term Debt (including current portion)	1,392,060			0
Fair value	$ 1,370,082			0
Stated interest rate (as a percent)	4.75%	4.75%	4.75%
Real Estate Mortgages, Finance Lease Liabilities And Other
Debt Instrument [Line Items]
Debt (inclusive of discount)	$ 785,497			614,231
Net Deferred Financing Costs	(1,512)			(1,825)
Total Long-term Debt (including current portion)	783,985			612,406
Fair value	785,497			614,231
Long term debt fair value	$ 785,497			$ 614,231
Mortgages
Debt Instrument [Line Items]
Stated interest rate (as a percent)	4.20%	4.20%	4.20%	4.40%	4.40%
Long term debt fair value	$ 73,250			$ 74,250
Other Notes And Obligations
Debt Instrument [Line Items]
Long term debt fair value	$ 185,048			$ 133,140
Weighted average interest rate (as a percent)	6.50%	6.50%	6.50%	7.20%	7.20%
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)	5.60%	5.60%	5.60%	5.20%	5.20%