Consolidated Statements of Income - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
REVENUES:
Royalty fees	$ 376,676,000	$ 341,745,000	$ 317,699,000
Initial franchise and relicensing fees	26,072,000	23,038,000	19,720,000
Procurement services	52,088,000	40,451,000	35,844,000
Marketing and reservation system	543,677,000	499,625,000	409,120,000
Other	42,791,000	36,438,000	25,526,000
Total revenues	1,041,304,000	941,297,000	807,909,000
OPERATING EXPENSES:
Selling, general and administrative	170,027,000	165,821,000	154,720,000
Depreciation and amortization	14,330,000	6,680,000	6,996,000
Marketing and reservation system	534,266,000	479,400,000	459,765,000
Total operating expenses	718,623,000	651,901,000	621,481,000
Impairment of goodwill	(4,289,000)	0	0
Gain on sale of assets, net	82,000	257,000	627,000
Operating income	318,474,000	289,653,000	187,055,000
OTHER INCOME AND EXPENSES, NET:
Interest expense	45,908,000	45,039,000	44,446,000
Interest income	(7,452,000)	(5,920,000)	(3,535,000)
Other (gain) loss	1,437,000	(3,229,000)	(1,504,000)
Equity in net (income) loss of affiliates	5,323,000	4,546,000	(492,000)
Total other income and expenses, net	45,216,000	40,436,000	38,915,000
Income before income taxes	273,258,000	249,217,000	148,140,000
Income taxes	56,903,000	126,890,000	41,428,000
Net income	$ 216,355,000	$ 122,327,000	$ 106,712,000
Basic earnings per share:
Basic earnings per share (in dollars per share)	$ 3.83	$ 2.16	$ 1.90
Diluted earnings per share (in dollars per share)	$ 3.80	$ 2.15	$ 1.89