2.4.0.8042 - Disclosure - Note 11. Guarantor Financial Information (Details) - Condensed Consolidating Statements of Cash FlowstruefalseIn Thousands, unless otherwise specifiedfalse1false USDfalsefalse$c10_From1Jan2013To30Jun2013http://www.sec.gov/CIK0000216539duration2013-01-01T00:00:002013-06-30T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$c11_From26Dec2011To24Jun2012http://www.sec.gov/CIK0000216539duration2011-12-26T00:00:002012-06-24T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 4meg_CashFlowsFromOperatingActivitiesAbstractmeg_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Cash flows from operating activities:2false 5us-gaap_NetCashProvidedByUsedInOperatingActivitiesus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse-6274000-6274USD$falsetruefalse2truefalsefalse2021100020211USD$falsetruefalsexbrli:monetaryItemTypemonetaryAmount of cash inflow (outflow) from operating activities, including discontinued operations. 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