Facility Consolidation Expenses (Details) $ in Thousands	9 Months Ended
	Sep. 24, 2016 USD ($)
Restructuring Cost and Reserve [Line Items]
Accrued Balance	$ 341
Expenses To Date	1,816	[1]
Cash Payments	1,213
Accrued Balance	944
Total Costs Incurred To Date	10,279
Expected Cost Remaining	10,279
2014 Warehousing Distribution and Manufacturing Consolidation Plan [Member]
Restructuring Cost and Reserve [Line Items]
Accrued Balance	0
Expenses To Date	1,740
Cash Payments	1,065
Accrued Balance	675
Total Costs Incurred To Date	7,806
Expected Cost Remaining	7,806
Environmental Remediation Costs Recognized [Abstract]
Accrual for Environmental Loss Contingencies	690
2014 Atlas Integration Plan [Member]
Restructuring Cost and Reserve [Line Items]
Accrued Balance	0
Expenses To Date	0
Cash Payments	0
Accrued Balance	0
Total Costs Incurred To Date	1,669
Expected Cost Remaining	1,669
2015 Corporate Office Consolidation Plan [Member]
Restructuring Cost and Reserve [Line Items]
Accrued Balance	341
Expenses To Date	76
Cash Payments	148
Accrued Balance	269
Total Costs Incurred To Date	804
Expected Cost Remaining	$ 804

[1] Costs incurred under these plans are classified as "facility consolidation expenses" in the Company's Consolidated Condensed Statements of Operations.