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Acquisitions and Purchase Accounting - Additional Information (Details) (USD $) | 12 Months Ended | 0 Months Ended | 12 Months Ended |  | 0 Months Ended | 12 Months Ended |  | 12 Months Ended |  | 0 Months Ended | 3 Months Ended |  |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  | 0 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  | 0 Months Ended | 12 Months Ended |  | 12 Months Ended |  | 0 Months Ended | 3 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  | 0 Months Ended | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  | 0 Months Ended | 12 Months Ended |  | 0 Months Ended | 12 Months Ended |  | 12 Months Ended |  | 0 Months Ended | 12 Months Ended |  | 12 Months Ended |  |  |  |  |  |  |  |  |  |
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Dec. 29, 2012 | Dec. 31, 2011 | Jan. 01, 2011 | Apr. 12, 2011 Beech Ovens [Member] | Dec. 29, 2012 Beech Ovens [Member] Commercial Foodservice [Member] Backlog [Member] | Apr. 12, 2011 Beech Ovens [Member] Commercial Foodservice [Member] Backlog [Member] | Apr. 12, 2011 Beech Ovens [Member] Trade Names [Member] Commercial Foodservice [Member] | May 27, 2011 Lincat [Member] | Dec. 29, 2012 Lincat [Member] Commercial Foodservice [Member] Customer Relationships [Member] | May 27, 2011 Lincat [Member] Commercial Foodservice [Member] Customer Relationships [Member] | Dec. 29, 2012 Lincat [Member] Commercial Foodservice [Member] Backlog [Member] | May 27, 2011 Lincat [Member] Commercial Foodservice [Member] Backlog [Member] | May 27, 2011 Lincat [Member] Trade Names [Member] Commercial Foodservice [Member] | Jul. 05, 2011 Danfotech [Member] | Mar. 31, 2012 Danfotech [Member] | Dec. 31, 2011 Danfotech [Member] | Jul. 05, 2011 Danfotech [Member] Book and Tax Basis Difference [Member] Tangible Assets [Member] Maximum [Member] | Jul. 05, 2011 Danfotech [Member] Book and Tax Basis Difference [Member] Intangible Assets [Member] | Dec. 29, 2012 Danfotech [Member] Food Processing Group [Member] Customer Relationships [Member] | Jul. 05, 2011 Danfotech [Member] Food Processing Group [Member] Customer Relationships [Member] | Dec. 29, 2012 Danfotech [Member] Food Processing Group [Member] Backlog [Member] | Jul. 05, 2011 Danfotech [Member] Food Processing Group [Member] Backlog [Member] Maximum [Member] | Dec. 29, 2012 Danfotech [Member] Food Processing Group [Member] Developed Technology Rights [Member] | Jul. 05, 2011 Danfotech [Member] Food Processing Group [Member] Developed Technology Rights [Member] | Jul. 05, 2011 Danfotech [Member] Trade Names [Member] Food Processing Group [Member] | Jul. 24, 2011 Maurer [Member] | Jul. 22, 2011 Maurer [Member] | Dec. 29, 2012 Maurer [Member] Food Processing Group [Member] Customer Relationships [Member] | Jul. 22, 2011 Maurer [Member] Food Processing Group [Member] Customer Relationships [Member] | Dec. 29, 2012 Maurer [Member] Food Processing Group [Member] Developed Technology Rights [Member] | Jul. 22, 2011 Maurer [Member] Food Processing Group [Member] Developed Technology Rights [Member] Maximum [Member] | Jul. 22, 2011 Maurer [Member] Trade Names [Member] Food Processing Group [Member] | Aug. 01, 2011 Auto-Bake [Member] | Dec. 29, 2012 Auto-Bake [Member] Food Processing Group [Member] Customer Relationships [Member] | Aug. 01, 2011 Auto-Bake [Member] Food Processing Group [Member] Customer Relationships [Member] | Dec. 29, 2012 Auto-Bake [Member] Food Processing Group [Member] Backlog [Member] | Aug. 01, 2011 Auto-Bake [Member] Food Processing Group [Member] Backlog [Member] | Aug. 01, 2011 Auto-Bake [Member] Trade Names [Member] Food Processing Group [Member] | Dec. 02, 2011 Drake [Member] | Jun. 30, 2012 Drake [Member] | Dec. 02, 2011 Drake [Member] Book and Tax Basis Difference [Member] Tangible Assets and Liability Accounts [Member] | Dec. 02, 2011 Drake [Member] Book and Tax Basis Difference [Member] Intangible Assets [Member] | Dec. 29, 2012 Drake [Member] Customer Relationships [Member] | Dec. 02, 2011 Drake [Member] Customer Relationships [Member] | Dec. 29, 2012 Drake [Member] Backlog [Member] | Dec. 02, 2011 Drake [Member] Backlog [Member] | Dec. 02, 2011 Drake [Member] Trade Names [Member] | Dec. 21, 2011 Armor Inox [Member] | Dec. 29, 2012 Armor Inox [Member] Customer Relationships [Member] | Dec. 21, 2011 Armor Inox [Member] Customer Relationships [Member] | Dec. 29, 2012 Armor Inox [Member] Backlog [Member] | Dec. 21, 2011 Armor Inox [Member] Backlog [Member] | Dec. 29, 2012 Armor Inox [Member] Developed Technology Rights [Member] | Dec. 21, 2011 Armor Inox [Member] Developed Technology Rights [Member] | Dec. 21, 2011 Armor Inox [Member] Trade Names [Member] | Mar. 14, 2012 Baker [Member] | Dec. 29, 2012 Baker [Member] Customer Relationships [Member] | Mar. 14, 2012 Baker [Member] Customer Relationships [Member] | Sep. 05, 2012 Stewart [Member] | Dec. 29, 2012 Stewart [Member] Food Processing Group [Member] Customer Relationships [Member] | Sep. 05, 2012 Stewart [Member] Food Processing Group [Member] Customer Relationships [Member] | Dec. 29, 2012 Stewart [Member] Food Processing Group [Member] Backlog [Member] | Sep. 05, 2012 Stewart [Member] Food Processing Group [Member] Backlog [Member] | Sep. 05, 2012 Stewart [Member] Trade Names [Member] Food Processing Group [Member] | Oct. 31, 2012 Nieco [Member] | Dec. 29, 2012 Nieco [Member] Commercial Foodservice [Member] Customer Relationships [Member] | Oct. 31, 2012 Nieco [Member] Commercial Foodservice [Member] Customer Relationships [Member] | Dec. 29, 2012 Nieco [Member] Commercial Foodservice [Member] Backlog [Member] | Oct. 31, 2012 Nieco [Member] Commercial Foodservice [Member] Backlog [Member] | Oct. 31, 2012 Nieco [Member] Trade Names [Member] Commercial Foodservice [Member] | Apr. 12, 2011 Scenario, Adjustment [Member] Beech Ovens [Member] | May 27, 2011 Scenario, Adjustment [Member] Lincat [Member] | Jul. 05, 2011 Scenario, Adjustment [Member] Danfotech [Member] | Jul. 22, 2011 Scenario, Adjustment [Member] Maurer [Member] | Aug. 01, 2011 Scenario, Adjustment [Member] Auto-Bake [Member] | Dec. 02, 2011 Scenario, Adjustment [Member] Drake [Member] | Dec. 21, 2011 Scenario, Adjustment [Member] Armor Inox [Member] | Mar. 14, 2012 Scenario, Adjustment [Member] Baker [Member] | Sep. 05, 2012 Scenario, Adjustment [Member] Stewart [Member]
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition payment (refund) | $ 0 | $ 0 | $ 4,607,000 | $ 13,000,000 |  |  |  | $ 82,100,000 |  |  |  |  |  | $ 6,100,000 |  |  |  |  |  |  |  |  |  |  |  | $ 3,300,000 |  |  |  |  |  |  | $ 22,500,000 |  |  |  |  |  | $ 21,700,000 | $ 400,000 |  |  |  |  |  |  |  | $ 28,700,000 |  |  |  |  |  |  |  | $ 10,300,000 |  |  | $ 27,800,000 |  |  |  |  |  | $ 23,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other intangibles |  |  |  | 2,023,000 |  | 100,000 | 1,900,000 | 33,319,000 |  | 17,600,000 |  | 500,000 | 15,200,000 | 1,086,000 |  |  |  |  |  | 400,000 |  | 100,000 |  | 100,000 | 600,000 |  | 922,000 |  | 300,000 |  | 100,000 | 600,000 | 4,058,000 |  | 1,900,000 |  | 200,000 | 2,000,000 | 5,810,000 |  |  |  |  | 2,500,000 |  | 100,000 | 3,200,000 | 9,420,000 |  | 1,100,000 |  | 3,800,000 |  | 1,100,000 | 3,400,000 | 750,000 |  | 800,000 | 10,160,000 |  | 5,300,000 |  | 400,000 | 4,500,000 | 5,620,000 |  | 3,000,000 |  | 100,000 | 2,500,000 | (294,000) | 1,976,000 | (778,000) | 0 | (2,726,000) | 0 | (2,735,000) | 750,000 | 3,310,000
Acquisition, other intangibles, amortization period |  |  |  |  | 3 months |  |  |  | 5 years |  | 3 months |  |  |  |  |  |  |  | 4 years |  | 3 months |  | 3 years |  |  |  |  | 4 years |  | 3 years |  |  |  | 5 years |  | 3 months |  |  |  |  |  |  | 5 years |  | 1 month |  |  |  | 6 years |  | 2 years |  | 7 years |  |  |  | 5 years |  |  | 5 years |  | 6 months |  |  |  | 4 years |  | 3 months |  |  |  |  |  |  |  |  |  |  |
Acquisition, additional assets purchased |  |  |  |  |  |  |  |  |  |  |  |  |  | 730,000 |  | 700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 730,000 |  |  |  |  |  |
Deferred tax liability, net |  |  |  |  |  |  |  |  |  |  |  |  |  | 100,000 |  |  | 100,000 | 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100,000 | 2,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current deferred tax asset |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 400,000 |  | 400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long term deferred tax liability |  |  |  |  |  |  |  | 9,650,000 |  |  |  |  |  | 137,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,218,000 |  |  |  |  |  | 2,363,000 |  |  |  |  |  |  |  |  | 3,072,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (4,153,000) | 91,000 |  | (817,000) | (32,000) | (903,000) |  |
Contingent consideration |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,000,000 |  |  |  |  |  | 3,058,000 |  |  |  |  |  |  |  | 0 |  |  |  |  |  | 0
Net assets acquired and liabilities assumed |  |  |  | 13,484,000 |  |  |  | 94,522,000 |  |  |  |  |  | 8,145,000 |  |  |  |  |  |  |  |  |  |  |  |  | 3,264,000 |  |  |  |  |  | 22,634,000 |  |  |  |  |  | 22,565,000 |  |  |  |  |  |  |  |  | 46,858,000 |  |  |  |  |  |  |  | 10,250,000 |  |  | 32,000,000 |  |  |  |  |  | 27,058,000 |  |  |  |  |  | 0 | 0 | 369,000 | (583,000) | 0 | 403,000 | 0 | 0 | 0
Refund received in relation to working capital adjustment |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (400,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Net amount recognized for aggregate assets, including goodwill, in excess of or less than the aggregate liabilities assumed (also referred to as net assets acquired). This amount may also be viewed as incremental amount of equity that the consolidated entity (including the portion attributable to a noncontrolling interest) will recognize as a result of the business combination. + References No definition available. + Details
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- Definition The assets recognized for each amount of assets recorded in a transaction with the acquiree that is recognized separately from the acquisition of assets and assumptions of liabilities in the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(3) -URI http://asc.fasb.org/extlink&oid=7659399&loc=d3e1392-128463 + Details
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