Accounts payable in the form of checks that have been issued but not cleared,

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- Definition

Description of credit agreement.

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No definition available.

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- Definition

The percentage of the face amount of the debt instrument applicable to the change in ownership.

+ References

No definition available.

+ Details

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- Definition

The percentage of the face amount applicable to the fourth set in the series of latest date, before maturity, on which the issuer can call the outstanding debt instrument for repayment or conversion to equity

+ References

No definition available.

+ Details

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- Definition

Debt instrument, percentage of redemption price, redemption date, latest for redemption at face amount

+ References

No definition available.

+ Details

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- Definition

The percentage of the face amount applicable to the first set in the series of latest date, before maturity, on which the issuer can call the outstanding debt instrument for repayment or conversion to equity.

+ References

No definition available.

+ Details

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- Definition

The percentage of the face amount applicable to the second set in the series of latest date, before maturity, on which the issuer can call the outstanding debt instrument for repayment or conversion to equity

+ References

No definition available.

+ Details

Name:	mdca_DebtInstrumentPercentageOfRedemptionPriceRedemptionDateTwo
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- Definition

The percentage of the face amount that can be redeemed, applicable to the fourth set in the series of latest date, before maturity, on which the issuer can call the outstanding debt instrument for repayment or conversion to equity

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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- Definition

The latest date, before maturity, on which the issuer can call the outstanding debt instrument for repayment or conversion to equity at face amount, which may be presented in a variety of ways (year only, month and year, day, month and year, quarter, etc.).

+ References

No definition available.

+ Details

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- Definition

The fourth set in the series of latest date, before maturity, on which the issuer can call the outstanding debt instrument for repayment or conversion to equity, which may be presented in a variety of ways (year only, month and year, day, month and year, quarter, etc.).

+ References

No definition available.

+ Details

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- Definition

The first set in the series of latest date, before maturity, on which the issuer can call the outstanding debt instrument for repayment or conversion to equity, which may be presented in a variety of ways (year only, month and year, day, month and year, quarter, etc.).

+ References

No definition available.

+ Details

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- Definition

The second set in the series of latest date, before maturity, on which the issuer can call the outstanding debt instrument for repayment or conversion to equity, which may be presented in a variety of ways (year only, month and year, day, month and year, quarter, etc.).

+ References

No definition available.

+ Details

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- Definition

The percentage of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References

No definition available.

+ Details

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- Definition

Percentage of weighted average interest rate under the credit agreement.

+ References

No definition available.

+ Details

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- Definition

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

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-Publisher FASB

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-Paragraph 16, 20

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Balance Type:	credit
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- Definition

Interest rate stated in the contractual debt agreement.

+ References

+ Details

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

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-Article 5

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-Subparagraph (SX 210.5-02.22(a)(2))

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- Definition

The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16, 20

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-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

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-Publisher FASB

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-Topic 835

-SubTopic 30

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- Definition

The amount of debt premium that was originally recognized at the issuance of the instrument that has yet to be amortized.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

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-Paragraph 1A

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-Publisher FASB

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-Paragraph 16, 20

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- Definition

Expense related to distribution, servicing and underwriting fees.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-04.14)

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- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Description of the terms of a credit facility arrangement. Terms typically include interest rate, collateral required, guarantees required, repayment requirements, and restrictions on use of assets and activities of the entity.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

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-Subparagraph (SX 210.5-02.19(b),22(b))

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-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

No definition available.

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Short-Term Debt, Long-Term Debt and Convertible Notes (Details Textual) (USD $) In Thousands, unless otherwise specified			6 Months Ended	0 Months Ended			6 Months Ended	1 Months Ended
	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2012 Wells Fargo Capital Finance, Llc [Member]	Apr. 19, 2011 Eleven Percentage Notes [Member]	May 14, 2010 Eleven Percentage Notes [Member]	Oct. 23, 2009 Eleven Percentage Notes [Member]	Jun. 30, 2012 Eleven Percentage Notes [Member]	Nov. 26, 2009 Eight Percentage Convertible Debentures [Member]
Debt Instrument, Face Amount				$ 55,000	$ 65,000	$ 225,000
Debt Instrument, Interest Rate, Stated Percentage				11.00%	11.00%	11.00%
Debt Instrument, Maturity Date				Nov. 01, 2016	Nov. 01, 2016	Nov. 01, 2016
Proceeds From Issuance Of Debt				59,580	67,208	208,881
Debt Instrument, Unamortized Discount, Percentage						4.70%
Debt Instrument, Unamortized Discount						10,494
Debt Instrument, Unamortized Premium				6,050	2,600
Expense Related To Distribution Or Servicing and Underwriting Fees				1,470	392	5,624
Extinguishment Of Debt, Amount								45,000
Weighted Average Interest Rate Under Credit Agreement			4.70%
Debt Instrument, Redemption Date, One							Nov. 01, 2013
Credit Agreement Description			the Company and its subsidiaries entered into a $75,000 five year senior secured revolving credit agreement (the "WF Credit Agreement") with Wells Fargo Capital Finance, LLC (formerly Wells Fargo Foothill, LLC), as agent, and the lenders from time to time party thereto. On November 22, 2010, this agreement was amended to increase the availability under the facility to $100,000. On April 29, 2011, the Company entered into an additional amendment to increase the availability under the facility to $150,000 and extend the maturity date to October 23, 2015.
Debt Instrument, Redemption Date, Two							Nov. 01, 2014
Debt Instrument, Redemption Date, Latest For Redemption At Face Amount							Nov. 01, 2015
Debt Instrument, Redemption Date, Latest, Four							Nov. 01, 2012
Debt Instrument, Percentage Of Redemption Price, Redemption Date One							105.50%
Debt Instrument, Percentage Of Redemption Price, Redemption Date Two							102.75%
Debt Instrument, Percentage Of Redemption Price, Redemption Date, Latest For Redemption At Face Amount							100.00%
Debt Instrument, Percentage Redeemable, Redemption Date Four							35.00%
Debt Instrument, Percentage Of Redemption Price, Redemption Date Four							111.00%
Debt Instrument, Percentage Of Redemption Price, Change In Ownership Control							101.00%
Letters of Credit Outstanding, Amount	5,204
Checks Outstanding	$ 30,473	$ 3,350
Line of Credit Facility, Description			The WF Credit Agreement replaced the Company's prior $185,000 senior secured financing agreement with Fortress Credit Corp., as collateral agent, and Wells Fargo Foothill, Inc., as administrative agent. Advances under the WF Credit Agreement bear interest as follows: (a)(i) LIBOR Rate Loans bear interest at the LIBOR Rate and (ii) Base Rate Loans bear interest at the Base Rate, plus (b) an applicable margin. The applicable margin for borrowing at June 30, 2012 is 2.25% in the case of Base Rate Loans and 2.50% in the case of LIBOR Rate Loans. In addition to paying interest on outstanding principal under the WF Credit Agreement, the Company is required to pay an unused revolver fee to the lender under the WF Credit Agreement in respect of unused commitments thereunder. On July 27, 2012, the Company entered into a further amendment to the WF Credit Agreement. This most recent amendment provides that the Company's Total Leverage Ratio (as defined), measured on a quarter-end basis, must be no greater than (i) 4.25x, for the twelve-month period ending June 30, 2012, and (ii) 4.0x, for the twelve-month period ending September 30, 2012 and for the twelve-month period ending on the last day of each calendar quarter thereafter.