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Income Taxes (Details Textual)	3 Months Ended		9 Months Ended
	Sep. 28, 2017	Sep. 29, 2016	Sep. 28, 2017	Sep. 29, 2016
Income Taxes [Line Items]
Effective Income Tax Rate	38.60%	37.70%	37.80%	38.50%

X

- Definition

The effective income tax rate of the company during the period.

+ References

No definition available.

+ Details

Name:	mcs_EffectiveIncomeTaxRate
Namespace Prefix:	mcs_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

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- References

No definition available.

+ Details

Name:	mcs_IncomeTaxesLineItems
Namespace Prefix:	mcs_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration