NATURE OF BUSINESS (Details) (USD $) In Millions, except Share data, unless otherwise specified	9 Months Ended			1 Months Ended					9 Months Ended	0 Months Ended	1 Months Ended
	Sep. 30, 2013 item	Dec. 31, 2012	Dec. 31, 2012 Ares	Nov. 30, 2012 Class A Common Stock	Aug. 31, 2012 Class A Common Stock	Mar. 31, 2012 Class A Common Stock	Oct. 31, 2011 Class A Common Stock	Apr. 30, 2011 Class A Common Stock	Sep. 30, 2013 Class A Common Stock	Oct. 12, 2012 Term Loan Facility	Aug. 31, 2012 Term Loan Facility	Mar. 31, 2011 Term Loan Facility	Mar. 31, 2011 Revolving Credit Facility	Dec. 31, 2012 Maximum Class A Common Stock OTPP	Sep. 30, 2013 Minimum item
General nature of business and recent significant transactions
Number of primary segments	3
Number of international countries in which franchise stores are located															50
Recent Significant Transactions
Issuance of common stock (in shares)								25,900,000
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001						$ 0.001
IPO price of share (in dollars per share)								$ 16.00
Maximum borrowing capacity												$ 1,200.0	$ 80.0
Increase in outstanding borrowings											200.0
Description of variable interest rate										LIBOR
Interest rate floor (as a percent)										1.00%
Applicable margin (as a percent)										2.75%
Number of shares offered by stockholders				11,700,000	10,000,000	19,600,000	23,000,000
Price of shares offered by stockholders (in dollars per share)				$ 35.20	$ 38.42	$ 33.50	$ 24.75
Number of shares repurchased					6,000,000
Amount of shares repurchased									238.4
Amount of shares authorized to repurchase									$ 250.0
Number of shares of common stock owned by related party			0											10,000