Facility Consolidation Expenses (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 28, 2015		Mar. 29, 2014
Restructuring Cost and Reserve [Line Items]
Accrued balance at December 27, 2014	$ 0
2015 Expenses to Date	775	[1]
2015 Cash Payments	(775)
Accrued balance at March 28, 2015	0
Total Costs Incurred to Date	6,289	[1]
Total Expected Costs	7,485
Impairment of assets	0	[2]	0
2014 Warehousing Distribution and Manufacturing Consolidation Plan [Member]
Restructuring Cost and Reserve [Line Items]
Accrued balance at December 27, 2014	0
2015 Expenses to Date	605
2015 Cash Payments	(605)
Accrued balance at March 28, 2015	0
Total Costs Incurred to Date	4,652
Total Expected Costs	5,639
2014 Atlas Integration Plan [Member]
Restructuring Cost and Reserve [Line Items]
Accrued balance at December 27, 2014	0
2015 Expenses to Date	170
2015 Cash Payments	(170)
Accrued balance at March 28, 2015	0
Total Costs Incurred to Date	1,637
Total Expected Costs	1,846
Asset Impairments [Member]
Restructuring Cost and Reserve [Line Items]
Total Costs Incurred to Date	1,133	[2]
Total Expected Costs	$ 1,133

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

[2] Asset impairments under these plans, when applicable, are classified as "loss on impairments" in the Company's Consolidated Condensed Statements of Operations.