Long-term debt (Detail) - USD ($) $ in Thousands		3 Months Ended				9 Months Ended
	Apr. 28, 2023	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Total debt principal outstanding			$ 8,451,183			$ 8,451,183	$ 8,968,519
Discount Premium And Deferred Financing Costs			(57,479)			(57,479)	(44,498)
Carrying amount of long-term debt, net of unamortized discounts			8,393,704			8,393,704	8,924,021
Less current portion			(108,558)			(108,558)	(231,404)
Total long-term debt			$ 8,285,146			$ 8,285,146	8,692,617
Debt interest rate during period			4.61%			4.61%
Long-term debt, weighted average interest rate, at point in time			4.56%			4.56%
4.625% Senior Notes
Debt Instrument [Line Items]
Senior Notes			$ 2,750,000			$ 2,750,000	2,750,000
Debt Instrument, Maturity Date						Jun. 01, 2030
Debt interest rate during period						4.625%
Debt Instrument, Fair Value Disclosure			2,258,438			$ 2,258,438
3.75% Senior Notes
Debt Instrument [Line Items]
Senior Notes			1,500,000			$ 1,500,000	1,500,000
Debt Instrument, Maturity Date						Feb. 15, 2031
Debt interest rate during period						3.75%
Debt Instrument, Fair Value Disclosure			1,143,750			$ 1,143,750
Acquisition obligations and other notes payable
Debt Instrument [Line Items]
Acquisition obligations and other notes payable			$ 97,657			$ 97,657	120,562
Debt instrument, maturity date, description						2023-2036
Long-term debt, weighted average interest rate, at point in time			6.89%			6.89%
Acquisition obligations and other notes payable, fair value			$ 97,657			$ 97,657
Financing lease obligations
Debt Instrument [Line Items]
Financing lease obligations			$ 250,695			$ 250,695	273,688
Debt instrument, maturity date, description						2024-2039
Finance lease, weighted average discount rate, percent			4.48%			4.48%
Prior Revolving line of credit
Debt Instrument [Line Items]
Secured Debt			$ 0			$ 0	165,000
Debt Instrument, Maturity Date						Aug. 12, 2024
Revolving line of credit, fair value of amount outstanding			0			$ 0
Constructive Financing Cash Outflows And Financing Cash Inflows				$ 150,000
New Revolving line of credit
Debt Instrument [Line Items]
Secured Debt			0			0
Revolving line of credit, fair value of amount outstanding			0			$ 0
Initial Borrowing on the New Revolving Line Of Credit	$ 400,000
New Revolving line of credit | SOFR
Debt Instrument [Line Items]
Debt Instrument, Description of the Variable Rate Basis						SOFR+CSA+2.00%
Prior Term Loan A
Debt Instrument [Line Items]
Secured Debt			0			$ 0	1,498,438
Debt Instrument, Maturity Date						Aug. 12, 2024
Debt Instrument, Fair Value Disclosure			0			$ 0
Constructive Financing Cash Outflows And Financing Cash Inflows				434,393
Other Significant Noncash Financing Activity				$ 715,019
Prior Term Loan A | Prior Revolving line of credit | LIBOR
Debt Instrument [Line Items]
LIBOR					1.75%
Term Loan A-1
Debt Instrument [Line Items]
Secured Debt	$ 1,250,000		1,242,188			1,242,188
Debt Instrument, Fair Value Disclosure			$ 1,220,449			$ 1,220,449
Term Loan A-1 | SOFR
Debt Instrument [Line Items]
Debt Instrument, Description of the Variable Rate Basis						SOFR+CSA+2.00%
Term Loan A-1 | New Revolving line of credit
Debt Instrument [Line Items]
Debt Instrument Period Before Maturity Date When Unpaid Amount Triggers Change In Due Date			May 13, 2026
Term Loan A-1 | New Revolving line of credit | Minimum
Debt Instrument [Line Items]
SOFR Plus Interest Rate Margin			0.00%
Term Loan A-1 | New Revolving line of credit | SOFR
Debt Instrument [Line Items]
SOFR Plus Interest Rate Margin			2.00%
Term Loan A-1 | New Revolving line of credit | SOFR | Minimum
Debt Instrument [Line Items]
SOFR Plus Interest Rate Margin			1.25%
Term Loan A-1 | New Revolving line of credit | SOFR | Maximum
Debt Instrument [Line Items]
SOFR Plus Interest Rate Margin			2.25%
Term Loan A-1 | New Revolving line of credit | SOFR | Subsequent Event
Debt Instrument [Line Items]
SOFR Plus Interest Rate Margin		1.75%
Term Loan A-1 | New Revolving line of credit | Adjusted Rate
Debt Instrument [Line Items]
SOFR Plus Interest Rate Margin			0.10%
Term Loan B-1
Debt Instrument [Line Items]
Secured Debt			$ 2,610,643			$ 2,610,643	$ 2,660,831
Debt Instrument, Maturity Date						Aug. 12, 2026
Debt Instrument, Fair Value Disclosure			$ 2,578,010			$ 2,578,010
Term Loan B-1 | Minimum
Debt Instrument [Line Items]
SOFR Plus Interest Rate Margin			0.00%
Term Loan B-1 | SOFR
Debt Instrument [Line Items]
Debt Instrument, Description of the Variable Rate Basis						SOFR+CSA+1.75%
SOFR Plus Interest Rate Margin			1.75%
Term Loan B-1 | Adjusted Rate
Debt Instrument [Line Items]
SOFR Plus Interest Rate Margin			0.11%
Senior Secured Credit Facilities
Debt Instrument [Line Items]
Long-term debt, weighted average interest rate, at point in time			4.70%			4.70%