SEGMENTS - International Franchise Revenue by Type (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Segment Reporting Information
Total International revenue	$ 557,737	$ 609,469	$ 640,994	$ 644,838	$ 569,929	$ 627,964	$ 673,218	$ 668,905	$ 2,453,038	$ 2,540,016	$ 2,683,298
International
Segment Reporting Information
Wholesale sales to franchisees									104,384	104,405	130,719
Royalties and franchise fees									26,190	25,485	29,085
Other									46,785	30,801	23,203
Total International revenue									177,359	160,691	183,007
Operating Segments
Segment Reporting Information
Total International revenue									2,618,351	2,673,141	2,854,069
Operating Segments | International
Segment Reporting Information
Total International revenue									$ 177,359	$ 160,691	$ 183,007