Long-term debt (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Debt interest rate during period	4.55%
Long-term debt, weighted average interest rate, at point in time	4.53%
Total debt principal outstanding	$ 8,701,254	$ 8,968,519
Discount, premium and deferred financing costs	(41,529)	(44,498)
Carrying amount of long-term debt, net of unamortized discounts	8,659,725	8,924,021
Less current portion	(242,193)	(231,404)
Total long-term debt	8,417,532	8,692,617
Senior Notes Four Point Six Two Five Percent Due Twenty Thirty
Debt Instrument [Line Items]
Senior Notes	$ 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	$ 2,344,375
Senior Notes Three Point Seven Five Percent Due Twenty Thirty One
Debt Instrument [Line Items]
Senior Notes	$ 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	$ 1,183,125
Acquisition obligations and other notes payable
Debt Instrument [Line Items]
Acquisition obligations and other notes payable	$ 117,856	120,562
Debt instrument, maturity date, description	2023-2036
Long-term debt, weighted average interest rate, at point in time	6.82%
Acquisition obligations and other notes payable, fair value	$ 117,856
Financing lease obligations
Debt Instrument [Line Items]
Financing lease obligations	$ 264,612	273,688
Debt instrument, maturity date, description	2024-2039
Finance lease, weighted average discount rate, percent	4.53%
Revolving line of credit
Debt Instrument [Line Items]
Secured Debt	$ 0	165,000
Revolving line of credit, fair value of amount outstanding	$ 0
Debt Instrument, Maturity Date	Aug. 12, 2024
Revolving line of credit \| LIBOR
Debt Instrument [Line Items]
Debt Instrument, Description of the old Variable Rate Basis	LIBOR+1.75%
Term Loan A
Debt Instrument [Line Items]
Secured Debt	$ 1,444,427	1,498,438
Debt Instrument, Maturity Date	Aug. 12, 2024
Debt Instrument, Fair Value Disclosure	$ 1,433,594
Term Loan A \| LIBOR
Debt Instrument [Line Items]
Debt Instrument, Description of the old Variable Rate Basis	LIBOR+1.75%
Term Loan B-1
Debt Instrument [Line Items]
Secured Debt	$ 2,624,359	2,660,831
Debt Instrument, Maturity Date	Aug. 12, 2026
Debt Instrument, Fair Value Disclosure	$ 2,584,994
Term Loan B-1 \| LIBOR
Debt Instrument [Line Items]
Debt Instrument, Description of the old Variable Rate Basis	LIBOR+1.75%
Senior Secured Credit Facilities
Debt Instrument [Line Items]
Long-term debt, weighted average interest rate, at point in time	4.60%
Debt Instrument, table footnotes
Debt Instrument, Unamortized Discount	$ 3,254	3,497
Deferred Financing Costs	16,797	18,816
Senior Notes
Debt Instrument, table footnotes
Deferred Financing Costs	35,024	36,203
Debt Instrument, Unamortized Premium	$ (13,546)	$ (14,018)

This represents deferred purchase price obligations associated with acquisitions as well as other notes payable.

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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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