CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2017	Sep. 30, 2016
Operating Activities
Net Income		$ 1,337,094	$ 1,022,302
Adjustments:
Depreciation and amortization		710,836	661,712
Net deferred income tax expense		516	1,601
(Gain) loss on derivative instruments not designated as hedges		(56,836)	6,353
Share-based compensation expense		52,469	22,041
Equity investment income		(120,359)	(94,832)
Amortization of debt issuance costs		37,562	39,425
Gain on sale of property and equipment		(30,902)	0
Changes in operating assets and liabilities:
Decrease in trade and other receivables, net		16,245	9,823
Increase in inventories		(6,131)	(6,379)
Decrease (increase) in prepaid expenses and other assets		10,211	(8,794)
Increase (decrease) in accounts payable		77,436	(17,313)
Increase in accrued interest		46,748	56,787
Increase in accrued expenses and other liabilities		12,870	17,929
Increase in customer deposits		256,855	197,277
Dividends received from unconsolidated affiliates		107,267	71,370
Other, net		2,720	21,650
Net cash provided by operating activities		2,454,601	2,000,952
Investing Activities
Purchases of property and equipment		(387,335)	(2,313,831)
Cash received (paid) on settlement of derivative financial instruments		57,004	(172,878)
Investments in and loans to unconsolidated affiliates		0	(8,611)
Cash received on loans to unconsolidated affiliates		31,633	22,470
Proceeds from the sale of property and equipment		230,000	0
Other, net (1)	[1]	(9,313)	(44,709)
Net cash used in investing activities		(78,011)	(2,517,559)
Financing Activities
Debt proceeds		3,682,000	6,038,560
Debt issuance costs		(25,987)	(83,793)
Repayments of debt		(5,598,198)	(4,818,262)
Purchases of treasury stock		(124,999)	(299,959)
Dividends paid		(309,162)	(243,557)
Proceeds from exercise of common stock options		2,499	1,782
Other, net		4,137	2,179
Net cash (used in) provided by financing activities		(2,369,710)	596,950
Effect of exchange rate changes on cash		467	(23,480)
Net increase in cash and cash equivalents		7,347	56,863
Cash and cash equivalents at beginning of period		132,603	121,565
Cash and cash equivalent at end of period		139,950	178,428
Cash paid during the period for:
Interest, net of amount capitalized		147,789	140,335
Non-cash Investing Activities
Notes receivable issued upon sale of property and equipment		$ 0	213,042
Cash from divestiture in Pullmantur Holdings			$ 26,000

[1] Amount includes $26.0 million in 2016 related to cash included in the divestiture of our 51% interest in Pullmantur Holdings.