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Consolidated Statements of Comprehensive Income (Parenthetical) (USD $) | 12 Months Ended
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Dec. 28, 2013 | Dec. 29, 2012 | Dec. 31, 2011
Other comprehensive income/(loss) - |  |  |
Change in pension and postretirement benefit costs, taxes (expense) benefit | $ (3,437,175) | $ 2,053,255 | $ 2,507,762

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- Definition Amount of tax (expense) benefit, after reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e640-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (i-k) -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669646-108580 + Details
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