CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Operating Activities
Net income	$ 584,252	$ 329,045
Adjustments:
Depreciation and amortization	470,686	432,384
Net deferred income tax expense	1,084	348
(Gain) loss on derivative instruments not designated as hedges	(34,988)	3,979
Share-based compensation expense	35,379	13,330
Equity investment income	(35,239)	(48,292)
Amortization of debt issuance costs	26,035	25,847
Gain on sale of property and equipment	(30,902)	0
Changes in operating assets and liabilities:
Decrease in trade and other receivables, net	33,045	33,929
Decrease in inventories	4,682	1,394
Increase in prepaid expenses and other assets	(36,931)	(54,725)
Increase in accounts payable	69,634	41,173
Increase in accrued interest	5,486	9,090
(Decrease) increase in accrued expenses and other liabilities	(47,189)	18,321
Increase in customer deposits	563,546	467,539
Dividends received from unconsolidated affiliates	57,402	23,878
Other, net	(6,702)	(26,328)
Net cash provided by operating activities	1,659,280	1,270,912
Investing Activities
Purchases of property and equipment	(271,541)	(2,047,195)
Cash received (paid) on settlement of derivative financial instruments	34,866	(161,307)
Cash received on loans to unconsolidated affiliates	23,487	14,923
Proceeds from the sale of property and equipment	230,000	0
Other, net	(9,144)	(18,871)
Net cash provided by (used in) investing activities	7,668	(2,212,450)
Financing Activities
Debt proceeds	2,236,000	5,300,561
Debt issuance costs	(14,575)	(70,406)
Repayments of debt	(3,689,890)	(3,738,905)
Purchases of treasury stock	0	(250,051)
Dividends paid	(206,039)	(243,557)
Proceeds from exercise of common stock options	2,385	1,512
Other, net	2,626	1,309
Net cash (used in) provided by financing activities	(1,669,493)	1,000,463
Effect of exchange rate changes on cash	419	9,195
Net (decrease) increase in cash and cash equivalents	(2,126)	68,120
Cash and cash equivalents at beginning of period	132,603	121,565
Less: Cash and cash equivalents attributed to assets held for sale	0	(14,521)
Cash and cash equivalent at end of period	130,477	175,164
Cash paid during the period for:
Interest, net of amount capitalized	125,007	116,531
Non-cash Investing Activities
Notes receivable issued upon sale of property and equipment	$ 0	$ 213,042