Employee Benefit Plans (Defined Contribution Plans) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Sep. 29, 2012 Rate	Oct. 01, 2011
Non-Collective-Bargaining Plan [Member]
Defined Contribution Plans [Line Items]
Percentage of Employees Covered			70.00%
Employer Matching Contribution, Percentage			1.00%
Employer Matching Contribution, Discretionary Percentage			2.00%
Maximum Annual Contribution Per Employee, Percentage			3.00%
Cost Recognized	$ 51		$ 182
Collective-Bargaining Plan [Member]
Defined Contribution Plans [Line Items]
Percentage of Employees Covered			30.00%
Maximum Annual Contribution Per Employee, Percentage			2.75%
Cost Recognized	$ 16	$ 20	$ 61	$ 68