Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 97,875	$ 90,266
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	6,903	7,094
Gain on sale of assets	(2,809)	0
Provision for bad debts, net	1,676	2,264
Non-cash stock compensation and other charges	8,093	8,635
Non-cash interest and other (income) loss	1,836	1,057
Deferred income taxes	(19,216)	(351)
Dividends received from equity method investments	1,101	1,109
Equity in net (income) loss of affiliates	578	(340)
Changes in assets and liabilities:
Receivables	(30,497)	(26,635)
Advances to/from marketing and reservation activities, net	60,187	29,712
Forgivable notes receivable, net	(8,776)	(5,722)
Accounts payable	21,845	1,280
Accrued expenses	(11,082)	(22,757)
Income taxes payable/receivable	7,981	24,107
Deferred revenue	4,751	(9,686)
Other assets	(1,125)	(2,395)
Other liabilities	(943)	8,851
Net cash provided by operating activities	138,378	106,489
CASH FLOWS FROM INVESTING ACTIVITIES:
Investment in property and equipment	(11,886)	(27,922)
Proceeds from sales of assets	15,612	0
Equity method investments	(14,362)	(3,761)
Purchases of investments, employee benefit plans	(1,520)	(1,845)
Proceeds from sales of investments, employee benefit plans	966	4,052
Issuance of mezzanine and other notes receivable	(3,340)	0
Collections of mezzanine and other notes receivable	9,832	224
Other items, net	(592)	(578)
Net cash used in investing activities	(5,290)	(29,830)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net repayments pursuant to revolving credit facility	0	(27,500)
Principal payments on long-term debt	(7,110)	(6,158)
Proceeds from the issuance of long-term debt	226	3,360
Purchases of treasury stock	(23,757)	(3,684)
Dividends paid	(32,767)	(22,026)
Excess tax benefits from stock-based compensation	2,297	1,216
Proceeds from exercise of stock options	4,984	6,677
Net cash used in financing activities	(56,127)	(48,115)
Net change in cash and cash equivalents	76,961	28,544
Effect of foreign exchange rate changes on cash and cash equivalents	(364)	(1,583)
Cash and cash equivalents at beginning of period	167,795	134,177
Cash and cash equivalents at end of period	244,392	161,138
Cash payments during the period for:
Income taxes, net of refunds	51,600	12,990
Interest	40,126	42,244
Non-cash investing and financing activities:
Dividends declared but not paid	10,764	10,773
Issuance of common stock pursuant to share based compensation plans	8,173	9,695
Equity method investments	2,797	0
Investment in property and equipment acquired in accounts payable	$ 890	$ 763