Goodwill and Other Intangible Assets Acquired - Amortization Expense (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 25, 2011	Dec. 26, 2010	Dec. 27, 2009
Amortization expense
Amortization expense related to other intangibles acquired	$ 7,100	$ 8,100	$ 8,200
Amortization expense for the next five years
2012	4,800
2013	1,600
2014	600
2015	350
2016	$ 270

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Aggregate amount of intangible asset amortization recognized as expense during the period.

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The amount of amortization expense expected to be recognized during year five of the five succeeding fiscal years.

+ References

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

-Publisher FASB

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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The amount of amortization expense expected to be recognized during year four of the five succeeding fiscal years.

+ References

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

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-Name Statement of Financial Accounting Standard (FAS)

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

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The amount of amortization expense expected to be recognized during year one of the five succeeding fiscal years.

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

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The amount of amortization expense expected to be recognized during year three of the five succeeding fiscal years.

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The amount of amortization expense expected to be recognized during year two of the five succeeding fiscal years.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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