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Derivative Instruments Located on Consolidated Balance Sheet (Detail) (USD $) | Apr. 20, 2013 | Dec. 29, 2012
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Derivatives, Fair Value [Line Items] |  |
Derivative Assets | $ 1,079,000 | $ 9,000
Derivative Liabilities | 8,256,000 | 4,060,000
Interest Rate Contracts | Other Current Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liabilities | 331,000 | 867,000
Commodity Contract | Other Current Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liabilities | 7,886,000 | 3,047
Commodity Contract | Other LongTerm Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liabilities | 39,000 | 146,000
Commodity Contract | Other Current Assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 1,015,000 |
Commodity Contract | Other Long Term Assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | $ 64,000 | $ 9,000

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- Definition Fair value of all asset derivatives designated as cash flow hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. + Details
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- Definition Fair value of all liability derivatives designated as cash flow hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. + Details
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