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Description Of Business And Summary Of Significant Accounting Policies (Narrative) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013 region segment item | Dec. 31, 2012 | Dec. 31, 2011
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of regions | 7 |  |
Number of reportable segments | 1 |  |
Unredeemed gift card sales percentage | 4.00% | 4.00% | 5.00%
Gift card breakage revenue recognition period | 6 months |  |
Gift card breakage recognized | $ 1,976 | $ 2,070 | $ 1,524
Investment impairment charges | 0 | 0 | 0
Investment maturity term | 2 years |  |
Acquisition, development and construction of restaurant capitalized costs | 9,024 | 10,038 | 9,616
Goodwill impairment charges | 0 | 0 | 0
Restricted cash asset | 23,810 | 24,799 |
Aggregate impairment loss recognized on disposition of assets | 1,220 | 0 | 380
Advertising and marketing costs | 44,389 | 34,999 | 31,902
Maximum reasonably assured lease term | 20 years |  |
Percentage of cash and investments balances not federally backed or federally insured | 33.30% |  |
Number of financial institutions | 3 |  |
Number of service providers for credit card transactions | 4 |  |
Accrued Payroll And Benefits [Member] |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |
Estimated insurance liability | 24,819 | 22,540 |
Accrued Liabilities [Member] |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |
Estimated insurance liability | $ 6,749 | $ 5,220 |
Canada [Member] |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of restaurants | 7 |  |
Number of service providers for credit card transactions | 1 |  |
England [Member] |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of restaurants | 6 |  |
Number of service providers for credit card transactions | 1 |  |
France [Member] |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of restaurants | 2 |  |
Germany [Member] |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of restaurants | 1 |  |
United States [Member] |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of restaurants | 1,572 |  |
Number of service providers for credit card transactions | 1 |  |
France and Germany [Member] |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of service providers for credit card transactions | 1 |  |
ShopHouse Southeast Asian Kitchen [Member] |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of restaurants | 6 |  |
Pizzeria Locale [Member] |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of restaurants | 1 |  |

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- Definition Represents the internal costs directly associated with the acquisition, development and construction of a restaurant. + References No definition available. + Details
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- Definition The number of regions by which the Company manages its operations. + References No definition available. + Details
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- Definition The amount of breakage recognized related to unredeemed gift cards. Breakage occurs when a customer pays in advance of vendor performance and does not demand full performance for various reasons. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 13.B.Q1) -URI http://asc.fasb.org/extlink&oid=27012821&loc=d3e214044-122780 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2197196 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Breakage -URI http://asc.fasb.org/extlink&oid=6506468 + Details
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