Subsequent Events (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	3 Months Ended
Sep. 24, 2011	Sep. 25, 2010	Dec. 31, 2011 Employee Severance
Subsequent Events
Headcount reduction (as a percent)			2.00%
Annual savings in employee related costs			$ 7,500
Severance	$ 1,317	$ 5,571	$ 3,500

The charge against earnings in the period for known and estimated costs of termination benefits provided to current employees that are involuntarily terminated under a benefit arrangement associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination or a discontinued operation as defined by generally accepted accounting principles and costs associated with one-time termination benefits.

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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+ Details