Fixed Assets (Schedule Of Fixed Assets) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 30, 2013	Dec. 29, 2012
Property, Plant and Equipment [Line Items]
Gross fixed assets	$ 678,919	$ 666,216
Accumulated depreciation	(338,895)	(331,053)
PP&E Net including assets held for sale	340,024	335,163
Fixed assets, net	337,190	331,385
Land and land improvements
Property, Plant and Equipment [Line Items]
Gross fixed assets	28,267	28,501
Buildings and building improvements
Property, Plant and Equipment [Line Items]
Gross fixed assets	134,915	135,491
Machinery, equipment and computer systems
Property, Plant and Equipment [Line Items]
Gross fixed assets	440,683	416,767
Trucks and automobiles
Property, Plant and Equipment [Line Items]
Gross fixed assets	29,565	32,042
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Gross fixed assets	12,156	12,158
Construction in progress
Property, Plant and Equipment [Line Items]
Gross fixed assets	33,333	41,257
Fixed assets held for sale
Property, Plant and Equipment [Line Items]
Fixed assets held for sale	$ (2,834)	$ (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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