Facility Consolidation and Severance Expenses, Net (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Oct. 01, 2011
2008 Facilities Consolidation [Member]
Restructuring Cost and Reserve [Line Items]
Lease Termination Fee	$ 700
Gain on Settlement of Lease Termination	551
Cost Incurred to Date	7,410
Expected Cost	0
2009 Organization Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost for the Period	12
Cost Incurred to Date	1,450
Expected Cost	$ 0