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Leases - Additional Information (Details) - USD ($) | 6 Months Ended |
--- | --- | ---
Jun. 27, 2019 | Dec. 27, 2018
Capital Leases, Balance Sheet, Assets by Major Class, Net | $ 24,444,000 |
Digital Systems [Member] |  |
Capital Leases, Balance Sheet, Assets by Major Class, Net | 45,510,000 | $ 45,510,000
Commitment Minimum Lease Payments | 6,163,000 |
Obligation To Be Reduced In Next 12 Months | 1,402,000 |
Finite-Lived Intangible Assets, Accumulated Amortization | $ 43,735,000 | $ 40,647,000
Lease Term Contract | 12 months |

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- Definition The minimum lease payment of commitment during the period. + References No definition available. + Details
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Namespace Prefix: | mcs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Term of lease in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | mcs_LeaseTermContract
Namespace Prefix: | mcs_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount of expected reduction in capital lease obligation within the next 12 months. + References No definition available. + Details
Name: | mcs_ObligationToBeReducedInNext12Months
Namespace Prefix: | mcs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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Balance Type: | credit
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |