Goodwill and Other Intangible Assets Acquired (Details) - Amortization Expense (USD $) In Thousands, unless otherwise specified	6 Months Ended
Jun. 24, 2012
Amortization expense
Amortization expense related to other intangibles acquired	$ 2,500
Amortization expense for remainder of fiscal year	2,200
Amortization expense for the next five years
2013	1,500
2014	560
2015	330
2016	250
2017	$ 100

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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 the remainder of the current fiscal year.

+ References

No definition available.

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

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

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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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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