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The add back of the change in the fair value of contingent consideration, (excluding the portion that is recorded as interest expense) that is included in direct service costs and other operating expenses but is excluded from the computation of segment profit since it is managed on a consolidated basis..

No definition available.

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The noncontrolling portion of segment profit that is excluded from the computation of segment profit.

No definition available.

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The add back of stock compensation expense that is included in direct service costs and other operating expenses but is excluded from the computation of segment profit since it is managed on a consolidated basis.

No definition available.

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Non-GAAP measure representing aggregate segment revenue less cost of goods and services, other operating and non-operating expenses, and non-controlling interest.

No definition available.

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The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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-Name Accounting Standards Codification
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Total costs of health care costs, net of recoveries of stop-loss insurance. Costs of services rendered (including costs of services rendered but not yet reported).

No definition available.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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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.

No definition available.

Name:	us-gaap_SegmentReportingInformationLineItems
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Data Type:	xbrli:stringItemType
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Name:	srt_ProductOrServiceAxis=mgln_PharmacyBenefitManagementMember
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Data Type:	na
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Name:	srt_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
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Name:	us-gaap_StatementBusinessSegmentsAxis=us-gaap_HealthCareMember
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Data Type:	na
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Name:	us-gaap_StatementBusinessSegmentsAxis=mgln_PharmacySolutionsMember
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