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Retirement Plans (Narrative) (Details) (USD $)
12 Months Ended
Dec. 27, 2014
Dec. 28, 2013
Dec. 29, 2012
Retirement Plans [Line Items]      
Savings Plan, company matching contributions $ 500,000cvo_DefinedContributionCompanyMatchingContributions $ 300,000cvo_DefinedContributionCompanyMatchingContributions $ 0cvo_DefinedContributionCompanyMatchingContributions
Savings Plan, shares of Cenveo's common stock (shares) 2,129,084cvo_DefinedContributionSharesOfCompanyCommonStock    
Interest cost 14,870,000us-gaap_DefinedBenefitPlanInterestCost 13,716,000us-gaap_DefinedBenefitPlanInterestCost 14,546,000us-gaap_DefinedBenefitPlanInterestCost
Contributions to multi-employer plans 900,000us-gaap_MultiemployerPlansPlanContributions 1,100,000us-gaap_MultiemployerPlansPlanContributions 1,100,000us-gaap_MultiemployerPlansPlanContributions
Multi-employer plans, expense 1,300,000cvo_MultiemployerPlansExpense 500,000cvo_MultiemployerPlansExpense 5,100,000cvo_MultiemployerPlansExpense
Supplemental Employee Retirement and Other Postretirement Benefit Plans [Member]      
Retirement Plans [Line Items]      
Interest cost 800,000us-gaap_DefinedBenefitPlanInterestCost
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= cvo_SupplementalEmployeeRetirementAndOtherPostretirementBenefitPlansMember
800,000us-gaap_DefinedBenefitPlanInterestCost
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= cvo_SupplementalEmployeeRetirementAndOtherPostretirementBenefitPlansMember
900,000us-gaap_DefinedBenefitPlanInterestCost
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= cvo_SupplementalEmployeeRetirementAndOtherPostretirementBenefitPlansMember
Actuarial losses expected to be recognized in net periodic benefit costs 300,000us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= cvo_SupplementalEmployeeRetirementAndOtherPostretirementBenefitPlansMember
   
Pensions [Member]      
Retirement Plans [Line Items]      
Interest cost 14,027,000us-gaap_DefinedBenefitPlanInterestCost
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_PensionPlansDefinedBenefitMember
12,932,000us-gaap_DefinedBenefitPlanInterestCost
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_PensionPlansDefinedBenefitMember
 
Actuarial losses expected to be recognized in net periodic benefit costs 8,700,000us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_PensionPlansDefinedBenefitMember
   
Prior service cost expected to be recognized in net periodic benefit costs 0us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_PensionPlansDefinedBenefitMember
   
Expected long-term rate of return on plan assets (percent) 8.00%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_PensionPlansDefinedBenefitMember
8.00%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_PensionPlansDefinedBenefitMember
8.00%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_PensionPlansDefinedBenefitMember
Estimated future employer contributions in 2015 4,600,000us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInNextFiscalYear
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_PensionPlansDefinedBenefitMember
   
Other Postretirement Benefit Plans [Member]      
Retirement Plans [Line Items]      
Interest cost $ 88,000us-gaap_DefinedBenefitPlanInterestCost
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
$ 88,000us-gaap_DefinedBenefitPlanInterestCost
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember