Name:	msa_PercentageOfTargetAwardBasedOnAchievingTargetedReturnOnNetAssetsBasedOnWhichFinalNumberOfSharesToBeIssuedForPerformanceStockUnits
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Percentage of target award based on achieving a targeted total shareholder return based on which final number of shares to be issued for performance stock units.

No definition available.

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Share-based Compensation Arrangement by Share-base Payment Award, Fair Value Assumptions, Average Closing Price Used to Calculate Expected Dividend Rate, Period

No definition available.

Name:	msa_SharebasedCompensationArrangementbySharebasePaymentAwardFairValueAssumptionsAverageClosingPriceUsedtoCalculateExpectedDividendRatePeriod
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Share-based Compensation Arrangement by Share-base Payment Award, Fair Value Assumptions, Stock Beta, Daily Price Data, Period

No definition available.

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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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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.