XML 52 R38.htm IDEA: XBRL DOCUMENT v3.21.2

Income Taxes - Additional Information (Details) - USD ($)			3 Months Ended		6 Months Ended
	Jul. 31, 2021	Dec. 27, 2018	Jul. 01, 2021	Jun. 25, 2020	Jul. 01, 2021	Jun. 25, 2020
Income Taxes
Effective Income Tax Rate, Adjusted For Losses From Noncontrolling Interests			26.30%	52.50%	27.00%	44.00%
Statutory federal income tax rate (as a percent)		35.00%			21.00%
Proceeds from tax refunds					$ 5,900,000
Income tax refund claims			$ 24,200,000		$ 24,200,000
Proceeds from income tax refunds due to CARES Act provision	$ 1,800,000

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

X

- Definition

Amount of income tax refund claimed by the entity, after reviewing the provisions of CARES Act.

+ References

No definition available.

+ Details

Name:	mcs_IncomeTaxRefundClaimsCaresAct
Namespace Prefix:	mcs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Proceeds from income tax refund claimed by the entity, after reviewing Provisions of the Coronavirus Aid, Relief, and Economic Security Act.

+ References

No definition available.

+ Details

Name:	mcs_ProceedsFromIncomeTaxRefundsProvisionsOfCoronavirusAidReliefAndEconomicSecurityAct
Namespace Prefix:	mcs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 6.I.Fact.4)
-URI http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

+ Details

Name:	us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of cash received during the period as refunds for the overpayment of taxes.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3536-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4297-108586

+ Details

Name:	us-gaap_ProceedsFromIncomeTaxRefunds
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration