Business Combinations (Details Textuals) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Mar. 31, 2010 Franchise	Sep. 30, 2011 Franchise Segment	Sep. 30, 2010 Franchise
Business Combinations (Textuals) [Abstract]
Number of franchises acquired	3	7	2
Intangible Assets recorded in connection with exchange of joint venture ownership	$ 13,331
Ownership percentage of joint venture exchanged	50.00%
Ownership percentage in franchises acquired by exchange of joint venture ownership	100.00%