Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 82,141	$ 146,912
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	114,436	107,768
Asset impairments	13,058	4,706
Amortization of debt issuance costs and other non-cash interest	4,136	2,566
Deferred income taxes	4,475	(4,004)
Non-cash revenue and other income	(7,673)	(8,594)
Non-cash equity compensation	13,011	12,715
Other expenses and non-cash items	5,706	9,135
Changes in assets and liabilities, net:
Accounts receivable, prepaid expenses and other assets	15,179	(8,014)
Accounts payable, accrued expenses and other liabilities	36,519	41,110
Income taxes payable	525	(228)
Net cash provided by operating activities	281,513	304,072
CASH FLOWS FROM INVESTING ACTIVITIES:
Expenditures for facility development and expansions	(26,566)	(122,078)
Expenditures for other capital improvements	(33,545)	(35,635)
Acquisitions, net of cash acquired	(8,849)	(39,290)
Proceeds from sale of assets	13,321	4,291
Increase in other assets	(7,751)	(5,342)
Net cash used in investing activities	(63,390)	(198,054)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of debt and borrowings from credit facility	374,000	428,564
Scheduled principal repayments	(23,669)	(9,937)
Principal repayments of credit facility	(283,000)	(358,000)
Payment of debt issuance and other refinancing and related costs	(903)	(115)
Payment of lease obligations for financing leases	(407)	(403)
Contingent consideration for acquisition of businesses		(7,398)
Dividends paid	(105,973)	(157,133)
Purchase and retirement of common stock	(3,575)	(3,530)
Proceeds from exercise of stock options		875
Net cash used in financing activities	(43,527)	(107,077)
NET INCREASE (DECREASE) IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	174,596	(1,059)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, beginning of period	119,093	74,137
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, end of period	293,689	73,078
NON-CASH INVESTING AND FINANCING ACTIVITIES
Debt assumed on acquisition of property portfolio	52,217
Establishment of right of use assets and lease liabilities	116,092	104,720
Cash paid during the period for:
Interest (net of amounts capitalized of $0.5 million and $4.3 million in 2020 and 2019, respectively)	56,430	47,937
Income taxes paid	$ 1,252	$ 12,253