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Summary of Significant Accounting Policies (Detail Textuals 4) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Jan. 04, 2014 | Dec. 29, 2012 | Dec. 31, 2011
Property, Plant and Equipment [Line Items] |  |  |
Depreciation expense | $ 9.1 | $ 8.4 | $ 10.4
Carrying value of properties sold | 3.9 | 7.4 |
Long - lived assets, depreciation method | straight-line method |  |
Selling, general and administrative expenses |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Total gains on properties sold | $ 5.2 | $ 9.9 |
Minimum |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Long - lived assets estimated useful life | 5 years |  |
Maximum |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Long - lived assets estimated useful life | 40 years |  |
Land improvements | Minimum |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Long - lived assets estimated useful life | 2 years |  |
Land improvements | Maximum |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Long - lived assets estimated useful life | 18 years |  |
Buildings | Minimum |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Long - lived assets estimated useful life | 5 years |  |
Buildings | Maximum |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Long - lived assets estimated useful life | 40 years |  |
Machinery and equipment | Minimum |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Long - lived assets estimated useful life | 3 years |  |
Machinery and equipment | Maximum |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Long - lived assets estimated useful life | 7 years |  |

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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition Description of the methodology for computing depreciation for classes of depreciable assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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