Employee Benefit Plans (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012	Dec. 31, 2012
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Bonus compensation	$ 600,000	$ 1,400,000	$ 1,200,000	$ 2,600,000
Non-qualified deferred compensation plan liabilities	3,207,000		3,207,000		2,477,000
Defined Contribution Pension
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
401(k) Plan, maximum annual employer contribution percent per employee			3.00%
401(k) Plan, employer contribution	0	200,000	200,000	400,000
Deferred Compensation, Excluding Share-based Payments and Retirement Benefits
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Non-qualified deferred compensation plan assets	2,700,000		2,700,000
Non-qualified deferred compensation plan liabilities	$ 3,200,000		$ 3,200,000
Minimum | Defined Contribution Pension
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
401(k) Plan, employee minimum contribution percent qualifying for company match			2.00%