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Long-Term Debt - Schedule of Long-Term Debt (Details) - USD ($)							12 Months Ended
	Dec. 31, 2020	Aug. 21, 2020	Aug. 11, 2020	Jul. 15, 2020	Jun. 09, 2020	Feb. 13, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Senior Notes:
Debt interest rate during period								3.59%
Acquisition obligations, other notes payable, and financing lease obligations
Financing lease obligations	$ 274,292,000							$ 274,292,000
Long-term debt, weighted average interest rate, at point in time	3.06%							3.06%
Long-term debt totals:
Total debt principal outstanding	$ 8,163,521,000							$ 8,163,521,000	$ 8,181,074,000
Discount and deferred financing costs	(77,717,000)							(77,717,000)	(72,840,000)
Carrying amount of long-term debt, net of unamortized discounts	8,085,804,000							8,085,804,000	8,108,234,000
Less current portion	(168,541,000)							(168,541,000)	(130,708,000)
Total long-term debt	7,917,263,000							7,917,263,000	7,977,526,000
Senior Notes 4.625% due 2030
Senior Notes:
Senior Notes	1,750,000,000				$ 1,750,000,000			$ 1,750,000,000	0
Debt Instrument, Maturity Date								Jun. 01, 2030
Debt interest rate during period					4.625%			4.625%
Debt Instrument, Fair Value Disclosure	1,859,375,000							$ 1,859,375,000
Debt Instrument, footnotes to the table
Debt Instrument Redeemed Outstanding Principal Amount				$ 1,750,000,000
Senior Notes 3.75% due 2031
Senior Notes:
Senior Notes	1,500,000,000		$ 1,500,000,000					$ 1,500,000,000	0
Debt Instrument, Maturity Date								Feb. 15, 2031
Debt interest rate during period			3.75%					3.75%
Debt Instrument, Fair Value Disclosure	1,522,500,000							$ 1,522,500,000
Senior Notes 5.125 % due 2024
Senior Notes:
Senior Notes	0							$ 0	1,750,000,000
Debt Instrument, Maturity Date								Jul. 15, 2024
Debt interest rate during period				5.125%
Senior Notes 5.0 % due 2025
Senior Notes:
Senior Notes	0							$ 0	1,500,000,000
Debt Instrument, Maturity Date								May 01, 2025
Debt interest rate during period		5.00%
Debt Instrument, footnotes to the table
Debt Instrument Redeemed Outstanding Principal Amount		$ 1,500,000,000
Acquisition obligations and other notes payable
Acquisition obligations, other notes payable, and financing lease obligations
Acquisition obligations and other notes payable	$ 164,160,000							$ 164,160,000	180,352,000
Debt instrument, maturity date, description								2021-2036
Long-term debt, weighted average interest rate, at point in time	4.88%							4.88%
Acquisition obligations and other notes payable, fair value	$ 164,160,000							$ 164,160,000
Financing Lease
Acquisition obligations, other notes payable, and financing lease obligations
Financing lease obligations	$ 274,292,000							$ 274,292,000	$ 268,534,000
Debt instrument, maturity date, description								2021-2038
Finance lease, weighted average discount rate, percent	5.10%							5.10%	5.40%
Revolving line of credit
Senior Secured Credit Facilities:
Secured Debt	$ 75,000,000							$ 75,000,000	$ 0
Debt Instrument, Description of Variable Rate Basis								ABR + 0.50%
Senior Notes:
Debt Instrument, Maturity Date								Aug. 12, 2024
Debt Instrument, Fair Value Disclosure	$ 75,000,000							$ 75,000,000
Revolving line of credit \| Base Rate
Senior Notes:
Debt interest rate during period	3.75%
Debt Instrument, footnotes to the table
LIBOR plus interest margin	0.50%
Revolving line of credit \| London Interbank Offered Rate (LIBOR) \| Subsequent Event
Debt Instrument, footnotes to the table
LIBOR plus interest margin							1.50%
Term Loan A
Senior Secured Credit Facilities:
Secured Debt	$ 1,684,375,000							$ 1,684,375,000	1,739,063,000
Debt Instrument, Description of Variable Rate Basis								LIBOR + 1.50%
Senior Notes:
Debt Instrument, Maturity Date								Aug. 12, 2024
Debt Instrument, Fair Value Disclosure	1,675,953,000							$ 1,675,953,000
Term Loan B-1
Senior Secured Credit Facilities:
Secured Debt	2,715,694,000							$ 2,715,694,000	0
Debt Instrument, Description of Variable Rate Basis								LIBOR + 1.75%
Senior Notes:
Debt Instrument, Maturity Date						Aug. 12, 2026		Aug. 12, 2026
Debt Instrument, Fair Value Disclosure	2,702,115,000							$ 2,702,115,000
Term Loan B-1 \| London Interbank Offered Rate (LIBOR)
Debt Instrument, footnotes to the table
LIBOR plus interest margin						1.75%
Term Loan B
Senior Secured Credit Facilities:
Secured Debt	0							$ 0	2,743,125,000
Senior Notes:
Debt Instrument, Maturity Date								Aug. 12, 2026
Senior Secured Credit Facilities
Debt Instrument, footnotes to the table
Debt Instrument, Unamortized Discount	5,461,000							$ 5,461,000	6,457,000
Deferred Offering Costs	35,825,000							35,825,000	45,444,000
Senior Notes
Debt Instrument, footnotes to the table
Deferred Offering Costs	$ 36,431,000							$ 36,431,000	$ 20,939,000