Discontinued Operations - Stores in Operation (Details)	3 Months Ended	12 Months Ended
	Jun. 30, 2013 Store	Sep. 30, 2013 franchise Store Location
Increase (Decrease) in Stores in Operation [Roll Forward]
Beginning of period		1,262
De novo		157
Acquired		38
Sold, combined, or closed		(8)
Discontinued operations	(107)	(107)
End of period		1,342
Increase (Decrease) in Franchises in Operation [Roll Forward]
Beginning of period		10
De novo		0
Acquired		0
Sold, combined, or closed		(2)
Discontinued operations		0
End of period		8
US & Canada Operations [Member]
Increase (Decrease) in Stores in Operation [Roll Forward]
Beginning of period		987
De novo		84
Acquired		12
Sold, combined, or closed		(3)
Discontinued operations		(50)
End of period		1,030
Latin America [Member]
Increase (Decrease) in Stores in Operation [Roll Forward]
Beginning of period		275
De novo		73
Acquired		26
Sold, combined, or closed		(5)
Discontinued operations		(57)
End of period		312
Other International [Member]
Increase (Decrease) in Stores in Operation [Roll Forward]
Beginning of period		0
De novo		0
Acquired		0
Sold, combined, or closed		0
Discontinued operations		0
End of period		0