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Summary of Tax Years that Remain Subject to Examination in Company Major Tax Jurisdictions (Detail) | 6 Months Ended
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Jun. 30, 2012
United States | Federal | Minimum |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2008
United States | Federal | Maximum |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2011
United States | States | Minimum |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2004
United States | States | Maximum |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2011
Australia |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2011
Brazil | Minimum |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2010
Brazil | Maximum |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2011
Canada | Minimum |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2009
Canada | Maximum |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2011
China | Minimum |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2003
China | Maximum |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2011
Denmark | Minimum |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2009
Denmark | Maximum |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2011
France |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2011
Germany |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2011
Italy | Minimum |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2009
Italy | Maximum |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2011
Luxembourg |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2011
Mexico | Minimum |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2007
Mexico | Maximum |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2011
Philippines | Minimum |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2008
Philippines | Maximum |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2011
South Korea | Minimum |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2006
South Korea | Maximum |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2011
Spain | Minimum |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2008
Spain | Maximum |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2011
Taiwan | Minimum |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2008
Taiwan | Maximum |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2011
United Kingdom | Minimum |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2008
United Kingdom | Maximum |
Income Tax Examination [Line Items] |
Income Tax Examination, Years Subject to Examination | 2011

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- Definition Income Tax Examination, Year under Examination + References No definition available. + Details
Name: | midd_IncomeTaxExaminationYearUnderExamination
Namespace Prefix: | midd_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_IncomeTaxExaminationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration