XML 58 R45.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Segment Information (Details 1) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Segment Reporting Information [Line Items] |  |
Revenue | $ 344,700 | $ 309,042
United States |  |
Segment Reporting Information [Line Items] |  |
Revenue | 274,682 | 252,199
Canada |  |
Segment Reporting Information [Line Items] |  |
Revenue | 26,470 | 28,406
Other Regions [Domain] |  |
Segment Reporting Information [Line Items] |  |
Revenue | $ 43,548 | $ 28,437

X
- Definition Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(d)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_SalesRevenueServicesNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | mdca_AllCountriesAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | mdca_AllCountriesAxis=country_CA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | mdca_AllCountriesAxis=mdca_OtherRegionsDomain
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |