Long-term debt (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Debt interest rate during period	4.28%	3.78%
Long-term debt, weighted average interest rate, at point in time	4.39%	4.39%
Total debt principal outstanding	$ 9,128,961	$ 9,128,961	$ 8,964,865
Discount, premium and deferred financing costs	(47,520)	(47,520)	(56,685)
Carrying amount of long-term debt, net of unamortized discounts	9,081,441	9,081,441	8,908,180
Less current portion	(214,254)	(214,254)	(179,030)
Total long-term debt	8,867,187	8,867,187	8,729,150
Senior Notes Four Point Six Two Five Percent Due Twenty Thirty
Debt Instrument [Line Items]
Senior Notes	2,750,000	$ 2,750,000	2,750,000
Debt interest rate during period		4.625%
Debt Instrument, Maturity Date		Jun. 01, 2030
Debt Instrument, Fair Value Disclosure	2,124,375	$ 2,124,375
Senior Notes Three Point Seven Five Percent Due Twenty Thirty One
Debt Instrument [Line Items]
Senior Notes	1,500,000	$ 1,500,000	1,500,000
Debt interest rate during period		3.75%
Debt Instrument, Maturity Date		Feb. 15, 2031
Debt Instrument, Fair Value Disclosure	1,068,750	$ 1,068,750
Acquisition obligations and other notes payable
Debt Instrument [Line Items]
Acquisition obligations and other notes payable	$ 125,809	$ 125,809	130,599
Debt instrument, maturity date, description		2022-2036
Long-term debt, weighted average interest rate, at point in time	5.82%	5.82%
Acquisition obligations and other notes payable, fair value	$ 125,809	$ 125,809
Financing lease obligations
Debt Instrument [Line Items]
Financing lease obligations	$ 279,213	$ 279,213	299,128
Debt instrument, maturity date, description		2023-2038
Finance lease, weighted average discount rate, percent	4.53%	4.53%
Revolving line of credit
Debt Instrument [Line Items]
Secured Debt	$ 275,000	$ 275,000	0
Debt Instrument, Description of Variable Rate Basis		LIBOR+1.75%
Revolving line of credit, fair value of amount outstanding	275,000	$ 275,000
Debt Instrument, Maturity Date		Aug. 12, 2024
Term Loan A
Debt Instrument [Line Items]
Secured Debt	1,531,250	$ 1,531,250	1,596,875
Debt Instrument, Description of Variable Rate Basis		LIBOR+1.75%
Debt Instrument, Maturity Date		Aug. 12, 2024
Debt Instrument, Fair Value Disclosure	1,500,625	$ 1,500,625
Term Loan B-1
Debt Instrument [Line Items]
Secured Debt	2,667,689	$ 2,667,689	2,688,263
Debt Instrument, Description of Variable Rate Basis		LIBOR+1.75%
Debt Instrument, Maturity Date		Aug. 12, 2026
Debt Instrument, Fair Value Disclosure	$ 2,530,970	$ 2,530,970
Senior Secured Credit Facilities
Debt Instrument [Line Items]
Long-term debt, weighted average interest rate, at point in time	4.34%	4.34%
Debt Instrument, table footnotes
Debt Instrument, Unamortized Discount	$ 3,740	$ 3,740	4,473
Deferred Offering Costs	20,891	20,891	27,207
Senior Notes
Debt Instrument, table footnotes
Deferred Offering Costs	37,380	37,380	40,914
Debt Instrument, Unamortized Premium	$ (14,491)	$ (14,491)	$ (15,909)

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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