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Present value of lessee's discounted obligation for lease payments from finance lease.

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Long-term debt (Detail) - USD ($) $ in Thousands		3 Months Ended
Long-term debt (Detail) - USD ($) $ in Thousands	Feb. 13, 2020	Mar. 31, 2020	Dec. 31, 2019
Senior Notes
Debt interest rate during period		4.35%
Acquisition obligations, other notes payable, and financing lease obligations
Financing lease obligations		$ 275,092
Long-term debt, weighted average interest rate, at point in time		3.75%
Total debt principal outstanding		$ 8,657,211	$ 8,181,074
Discount and deferred financing costs		(68,757)	(72,840)
Carrying amount of long-term debt, net of unamortized discounts		8,588,454	8,108,234
Less current portion		(146,318)	(130,708)
Total long-term debt		8,442,136	7,977,526
Senior Notes Five Point One Two Five Percent Due Twenty Twenty Four
Senior Notes
Senior Notes		$ 1,750,000	1,750,000
Debt interest rate during period		5.125%
Debt Instrument, Maturity Date		Jul. 15, 2024
Debt Instrument, Fair Value Disclosure		$ 1,743,525
Debt Instrument, table footnotes
Debt Instrument, Maturity Date		Jul. 15, 2024
Senior Notes Five Point Zero Percent Due Twenty Twenty Five
Senior Notes
Senior Notes		$ 1,500,000	1,500,000
Debt interest rate during period		5.00%
Debt Instrument, Maturity Date		May 01, 2025
Debt Instrument, Fair Value Disclosure		$ 1,497,900
Debt Instrument, table footnotes
Debt Instrument, Maturity Date		May 01, 2025
Acquisition obligations and other notes payable
Acquisition obligations, other notes payable, and financing lease obligations
Acquisition obligations and other notes payable		$ 167,727	180,352
Debt instrument, maturity date, description		2020-2027
Long-term debt, weighted average interest rate, at point in time		4.71%
Acquisition obligations and other notes payable, fair value		$ 167,727
Financing lease obligations
Acquisition obligations, other notes payable, and financing lease obligations
Financing lease obligations		$ 275,092	268,534
Debt instrument, maturity date, description		2020-2036
Finance lease, weighted average discount rate, percent		5.31%
Financing lease liability, fair value
Revolving line of credit
Senior Secured Credit Facilities
Secured Debt		$ 500,000	0
Debt Instrument, Description of Variable Rate Basis		LIBOR + 1.50%
Senior Notes
Debt Instrument, Maturity Date		Aug. 12, 2024
Debt Instrument, Fair Value Disclosure		$ 500,000
Debt Instrument, table footnotes
Debt Instrument, Maturity Date		Aug. 12, 2024
Term Loan A
Senior Secured Credit Facilities
Secured Debt		$ 1,728,125	1,739,063
Debt Instrument, Description of Variable Rate Basis		LIBOR + 1.50%
Senior Notes
Debt Instrument, Maturity Date		Aug. 12, 2024
Debt Instrument, Fair Value Disclosure		$ 1,659,000
Debt Instrument, table footnotes
Debt Instrument, Maturity Date		Aug. 12, 2024
Term Loan B-1
Senior Secured Credit Facilities
Secured Debt	$ 2,743,125	$ 2,736,267	0
Debt Instrument, Description of Variable Rate Basis		LIBOR + 1.75%
Senior Notes
Debt Instrument, Maturity Date	Aug. 12, 2026
Debt Instrument, Fair Value Disclosure		$ 2,640,498
Debt Instrument, table footnotes
Debt Instrument Agreement Date	Feb. 13, 2020
Debt Instrument, Maturity Date	Aug. 12, 2026
Term Loan B-1 \| London Interbank Offered Rate (LIBOR)
Debt Instrument, table footnotes
LIBOR plus interest rate margin	1.75%
Term Loan B
Senior Secured Credit Facilities
Secured Debt		$ 0	2,743,125
Debt Instrument, Description of Variable Rate Basis		LIBOR + 2.25%
Senior Notes
Debt Instrument, Maturity Date		Aug. 12, 2026
Debt Instrument, Fair Value Disclosure		$ 0
Debt Instrument, table footnotes
Debt Instrument, Maturity Date		Aug. 12, 2026
Senior Secured Credit Facilities
Acquisition obligations, other notes payable, and financing lease obligations
Long-term debt, weighted average interest rate, at point in time		2.78%
Debt Instrument, table footnotes
Debt Instrument, Unamortized Discount		$ 6,207	6,457
Deferred Offering Costs		42,420	45,444
Senior Notes
Debt Instrument, table footnotes
Deferred Offering Costs		$ 20,130	$ 20,939