Acquisitions (Summary of Consideration Transferred to Acquire Businesses and Amounts of Identifiable Assets Acquired, Liabilities Assumed and Noncontrolling Interests) (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Fair value of consideration transferred:
Cash	$ 1,272,910	$ 561,276
Consideration transferred	1,369,724	591,761
Recognized amounts of identifiable assets acquired and liabilities assumed associated with businesses acquired:
Accounts receivable	32,329	19,792
Prepaid expenses and other current assets	6,549	2,007
Operating lease right-of-use assets	3,160	1,707
Property and equipment	617,267	152,955
Other assets	0	4
Current portion of operating lease liabilities	(1,100)	(727)
Deferred revenue	(7,766)	(4,771)
Long-term portion of operating lease liabilities	(2,060)	(980)
Other long-term liabilities	(3,498)	(2,306)
Deferred income taxes	(26,440)	(33,829)
Total identifiable net assets	853,283	310,889
Goodwill	516,441	280,872
Accounts Payable and Accrued Liabilities [Member]
Recognized amounts of identifiable assets acquired and liabilities assumed associated with businesses acquired:
Accounts payable and accrued liabilities	(34,905)	(27,406)
Debt [Member]
Fair value of consideration transferred:
Liabilities incurred	96,814	30,485
Contingent Consideration [Member]
Recognized amounts of identifiable assets acquired and liabilities assumed associated with businesses acquired:
Contingent consideration	(6,543)	(2,512)
Long Term Franchise Agreements And Contracts [Member]
Recognized amounts of identifiable assets acquired and liabilities assumed associated with businesses acquired:
Intangibles	109,364	76,847
Customer Lists [Member]
Recognized amounts of identifiable assets acquired and liabilities assumed associated with businesses acquired:
Intangibles	69,378	46,449
Permits and Other [Member]
Recognized amounts of identifiable assets acquired and liabilities assumed associated with businesses acquired:
Intangibles	$ 97,548	$ 83,659