Reportable Segment Information Schedule Of Financial Information For Company's Franchising Segment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenues	$ 192,321	$ 183,801	$ 472,903	$ 441,070
Operating income (loss)	62,400	54,877	133,201	122,321
Income (loss) before income taxes	56,966	55,026	121,003	121,696
Franchising [Member]
Revenues	191,085	182,733	469,730	438,026
Operating income (loss)	71,628	64,424	165,065	150,056
Income (loss) before income taxes	71,589	64,766	163,560	150,946
Number Of Reportable Segments	1		1
Corporate And Other [Member]
Revenues	1,236	1,068	3,173	3,044
Operating income (loss)	(9,228)	(9,547)	(31,864)	(27,735)
Income (loss) before income taxes	$ (14,623)	$ (9,740)	$ (42,557)	$ (29,250)

Number Of Reportable Segments

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- Definition

This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 5

-Section 03

-Paragraph 10

+ Details

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- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ Details

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- Definition

Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 5

-Section 03

-Paragraph 1

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

+ Details

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