Facility Consolidation Expenses (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
Restructuring Cost and Reserve [Line Items]
Impairment of assets	$ 655	$ 0	$ 655	$ 0
Expected Cost			6,027
Expected Cost Remaining			4,350
2014 Warehousing Distribution and Manufacturing Consolidation Plan [Member]
Restructuring Cost and Reserve [Line Items]
Expected Cost			4,424
Expected Cost Remaining			3,385
2014 Atlas Integration Plan [Member]
Restructuring Cost and Reserve [Line Items]
Expected Cost			1,603
Expected Cost Remaining			965
Asset Impairments [Member]
Restructuring Cost and Reserve [Line Items]
Impairment of assets			655
Asset Impairments [Member] | 2014 Warehousing Distribution and Manufacturing Consolidation Plan [Member]
Restructuring Cost and Reserve [Line Items]
Impairment of assets			655
Asset Impairments [Member] | 2014 Atlas Integration Plan [Member]
Restructuring Cost and Reserve [Line Items]
Impairment of assets			0
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost for the Period			1,022
Expected Cost			5,372
Other Restructuring [Member] | 2014 Warehousing Distribution and Manufacturing Consolidation Plan [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost for the Period			384
Expected Cost			3,769
Other Restructuring [Member] | 2014 Atlas Integration Plan [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost for the Period			638
Expected Cost			$ 1,603