Fixed Assets (Schedule of Fixed Assets) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2013	Dec. 29, 2012
Property, Plant and Equipment [Line Items]
Gross fixed assets	$ 701,617	$ 666,216
Accumulated depreciation	(351,985)	(331,053)
PP&E Net including assets held for sale	349,632	335,163
Fixed assets, net	344,746	331,385
Land and land improvements
Property, Plant and Equipment [Line Items]
Gross fixed assets	27,983	28,501
Buildings and building improvements
Property, Plant and Equipment [Line Items]
Gross fixed assets	142,549	135,491
Machinery, equipment and computer systems
Property, Plant and Equipment [Line Items]
Gross fixed assets	469,216	416,767
Trucks and automobiles
Property, Plant and Equipment [Line Items]
Gross fixed assets	31,244	32,042
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Gross fixed assets	12,164	12,158
Construction in progress
Property, Plant and Equipment [Line Items]
Gross fixed assets	18,461	41,257
Fixed assets held for sale
Property, Plant and Equipment [Line Items]
Fixed assets held for sale	$ (4,886)	$ (3,778)

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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