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Acquisitions (Pro Forma Results of Operations) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 07, 2012 | Sep. 09, 2011 | Sep. 07, 2012 | Sep. 09, 2011
Business Combinations [Abstract] |  |  |  |
Revenues | $ 195,496 | $ 183,882 | $ 530,595 | $ 493,992
(Loss) income from continuing operations | (27,996) | 4,740 | (24,806) | (3,286)
Net (loss) income | $ (42,086) | $ 4,492 | $ (25,711) | $ (3,485)
Basic and diluted (loss) earnings per share: |  |  |  |
Continuing operations | $ (0.14) | $ 0.02 | $ (0.13) | $ (0.02)
Net (loss) income | $ (0.22) | $ 0.02 | $ (0.13) | $ (0.02)

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- Definition Business Acquisition, Pro Forma Income (Loss) from Continuing Operations before Changes in Accounting and Extraordinary Items, Net of Tax, Per Share, Basic And Diluted + References No definition available. + Details
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- Definition The pro forma income from continuing operations before changes in accounting and extraordinary items, net of tax effect, for the period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=6909870&loc=d3e1392-128463 + Details
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- Definition The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=6909870&loc=d3e1392-128463 + Details
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