Employee Benefit Plans (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014	Apr. 04, 2015	Dec. 31, 2014
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Bonus compensation	$ 300,000	$ 200,000	$ 900,000	$ 800,000
Non-qualified deferred compensation plan liabilities	$ 5,244,000		$ 5,244,000			$ 4,919,000
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	$ 0
Defined Contribution Pension | Minimum
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%
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					$ 4,400,000
Non-qualified deferred compensation plan liabilities					$ 5,200,000