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Employee Benefit Plans - Schedule of Benefit Obligations (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Change in benefit obligation:
Benefit obligation, Beginning balance	$ 32,857us-gaap_DefinedBenefitPlanBenefitObligation	$ 40,041us-gaap_DefinedBenefitPlanBenefitObligation
Service Cost	0us-gaap_DefinedBenefitPlanServiceCost	0us-gaap_DefinedBenefitPlanServiceCost
Interest Cost	1,788us-gaap_DefinedBenefitPlanInterestCost	1,752us-gaap_DefinedBenefitPlanInterestCost
Change in Mortality	3,287mdca_DefinedBenefitPlanChangeinMortality	0mdca_DefinedBenefitPlanChangeinMortality
Plan amendments	0us-gaap_DefinedBenefitPlanPlanAmendments	0us-gaap_DefinedBenefitPlanPlanAmendments
Curtailment/settlement	0us-gaap_DefinedBenefitPlanCurtailments	(1,567)us-gaap_DefinedBenefitPlanCurtailments
Actuarial (gains) losses	7,681us-gaap_DefinedBenefitPlanActuarialGainLoss	(4,954)us-gaap_DefinedBenefitPlanActuarialGainLoss
Benefits paid	(1,814)us-gaap_DefinedBenefitPlanBenefitsPaid	(2,415)us-gaap_DefinedBenefitPlanBenefitsPaid
Benefit obligation, Ending balance	43,799us-gaap_DefinedBenefitPlanBenefitObligation	32,857us-gaap_DefinedBenefitPlanBenefitObligation
Change in plan assets:
Fair value of plan assets, Beginning balance	26,868us-gaap_DefinedBenefitPlanFairValueOfPlanAssets	24,769us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
Actual return on plan assets	1,478us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets	3,236us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets
Employer contributions	1,828us-gaap_DefinedBenefitPlanContributionsByEmployer	1,278us-gaap_DefinedBenefitPlanContributionsByEmployer
Benefits paid	(1,814)us-gaap_DefinedBenefitPlanBenefitsPaid	(2,415)us-gaap_DefinedBenefitPlanBenefitsPaid
Fair value of plan assets, Ending balance	28,360us-gaap_DefinedBenefitPlanFairValueOfPlanAssets	26,868us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
Unfunded status	$ 15,439mdca_DefinedBenefitPlanUnfundedStatus	$ 5,989mdca_DefinedBenefitPlanUnfundedStatus

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Defined Benefit Plan, Change in Mortality

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The amount represents the unfunded status value of defined benefit plan.

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- Definition

The difference between fair value of plan assets at the end of the period and the fair value at the beginning of the period, adjusted for contributions and payments of benefits during the period, and after adjusting for taxes and other expenses, as applicable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Actual Return on Plan Assets (Component of Net Periodic Postretirement Benefit Cost)

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-Name Accounting Standards Codification

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-Glossary Actual Return on Plan Assets (Component of Net Periodic Pension Cost)

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- Definition

Amount of gain (loss) related to change in benefit obligation resulting from changes in actuarial assumptions, for example, but not limited to, interest, mortality, employee turnover, salary, and temporary deviation from the substantive plan.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 30

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- Definition

1) For defined benefit pension plans, the benefit obligation is the projected benefit obligation, which is the actuarial present value as of a date of all benefits attributed by the pension benefit formula to employee service rendered prior to that date. 2) For other postretirement defined benefit plans, the benefit obligation is the accumulated postretirement benefit obligation, which is the actuarial present value of benefits attributed to employee service rendered to a particular date.

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-Glossary Projected Benefit Obligation

-URI http://asc.fasb.org/extlink&oid=6522206



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- Definition

The amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes payments made under a postretirement benefit plan, including prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. This item represents a periodic decrease to the plan obligations and a decrease to plan assets.

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

The increase in the fair value of plan assets from contributions made by the employer.

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The amount of decrease that is related to an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services.

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Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets.

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The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.

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The amount of increase or decrease due to a change in the terms of an existing plan or the initiation of a new plan. A plan amendment may increase or decrease benefits, including those attributed to years of service already rendered.

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The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan.

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