GOODWILL AND INTANGIBLE ASSETS - Summary of Goodwill Activity (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Changes in goodwill during the period
Balance at the beginning of the period		$ 176,062	$ 649,892
Impairments	$ (471,100)	(35,747)	(471,132)	$ 0
Acquired franchise stores			1,372
Translation effect of exchange rates		714	(171)
Derecognition associated with refranchising			(3,899)
Total activity		(35,033)	(473,830)
Balance at the end of the period	176,062	141,029	176,062	649,892
Gross	647,194	636,444	647,194
Accumulated impairments	(471,132)	(495,415)	(471,132)
U.S. and Canada
Changes in goodwill during the period
Balance at the beginning of the period		9,251	392,410
Impairments		0	(380,644)
Acquired franchise stores			1,372
Translation effect of exchange rates		0	12
Derecognition associated with refranchising			(3,899)
Total activity		0	(383,159)
Balance at the end of the period	9,251	9,251	9,251	392,410
Gross	389,895	389,895	389,895
Accumulated impairments	(380,644)	(380,644)	(380,644)
International
Changes in goodwill during the period
Balance at the beginning of the period		42,994	43,177
Impairments		0	0
Acquired franchise stores			0
Translation effect of exchange rates		714	(183)
Derecognition associated with refranchising			0
Total activity		714	(183)
Balance at the end of the period	42,994	43,708	42,994	43,177
Gross	42,994	43,708	42,994
Accumulated impairments	0	0	0
Manufacturing / Wholesale
Changes in goodwill during the period
Balance at the beginning of the period		112,353	202,841
Impairments		(24,283)	(90,488)
Acquired franchise stores			0
Translation effect of exchange rates		0	0
Derecognition associated with refranchising			0
Total activity		(24,283)	(90,488)
Balance at the end of the period	112,353	88,070	112,353	202,841
Gross	202,841	202,841	202,841
Accumulated impairments	(90,488)	(114,771)	(90,488)
Other
Changes in goodwill during the period
Balance at the beginning of the period		11,464	11,464
Impairments		(11,464)	0
Acquired franchise stores			0
Translation effect of exchange rates		0	0
Derecognition associated with refranchising			0
Total activity		(11,464)	0
Balance at the end of the period	11,464	0	11,464	$ 11,464
Gross	11,464	0	11,464
Accumulated impairments	$ 0	$ 0	$ 0

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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-Publisher FASB
-Name Accounting Standards Codification
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