Goodwill and Other Intangible Assets Acquired (Details) - Amortization Expense (USD $) In Thousands	9 Months Ended
Sep. 25, 2011
Amortization expense
Amortization expense related to other intangibles acquired	$ 5,600
Amortization expense for remainder of fiscal year	1,500
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 the remainder of the current fiscal year.

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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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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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