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Inventories (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2011 | Dec. 25, 2010
Inventories [Abstract] |  |
Raw materials and supplies | $ 42,281,000 | $ 47,737,000
Work-in-process | 38,420,000 | 34,784,000
Finished goods | 143,648,000 | 131,921,000
Valuation reserves | (5,156,000) | (4,550,000)
Inventories | 219,193,000 | 209,892,000
Inventories valued using the LIFO method | 15,100,000 | 21,200,000
FIFO cost of inventories | 101,200,000 | 126,800,000
Average cost basis inventories | 44,900,000 | 36,400,000
Deferred LIFO Gain | 8,000,000 |
FIFO value of inventory consigned to others | $ 2,900,000 | $ 2,600,000

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- Definition The amount of FIFO (first in first out) inventory present at the reporting date when inventory is also valued using different valuation methods. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Chapter 3 -Section A -Paragraph 9 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 + Details
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