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v2.4.1.9

Short-Term and Long-Term Debt - Schedule of Outstanding Debt (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013
Debt Instrument [Line Items] |  |
Senior revolving credit facility maturing in 2019 | $ 105,000 us-gaap_LineOfCredit | $ 110,000 us-gaap_LineOfCredit
Total | 251,667 us-gaap_LongTermDebt | 267,334 us-gaap_LongTermDebt
Amounts due within one year | 6,667 us-gaap_LongTermDebtCurrent | 6,667 us-gaap_LongTermDebtCurrent
Long-term debt | 245,000 us-gaap_LongTermDebtNoncurrent | 260,667 us-gaap_LongTermDebtNoncurrent
Debt instruments maturity date | 2016 | 2016
Industrial Development Debt Issues Payable Through 2022, 0.30% |  |
Debt Instrument [Line Items] |  |
Industrial development debt issues payable through 2022, 0.30% | 0 msa_IndustrialDevelopmentDebtIssuesPayable / us-gaap_DebtInstrumentAxis = msa_IndustrialDevelopmentDebtPayableThroughTwoThousandTwentyTwoToZeroPointThreeZeroPercentageMember | 4,000 msa_IndustrialDevelopmentDebtIssuesPayable / us-gaap_DebtInstrumentAxis = msa_IndustrialDevelopmentDebtPayableThroughTwoThousandTwentyTwoToZeroPointThreeZeroPercentageMember
Debt instruments maturity date | 2022 | 2022
Senior Notes, interest rate | 0.30%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = msa_IndustrialDevelopmentDebtPayableThroughTwoThousandTwentyTwoToZeroPointThreeZeroPercentageMember | 0.30%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = msa_IndustrialDevelopmentDebtPayableThroughTwoThousandTwentyTwoToZeroPointThreeZeroPercentageMember
Senior Notes Payable Through 2021, 5.41% |  |
Debt Instrument [Line Items] |  |
Senior notes payable | 46,667 us-gaap_SeniorLongTermNotes / us-gaap_DebtInstrumentAxis = msa_SeniorNotesPayableThroughTwoThousandTwentyOneFivePointFourtyOnePercentageMember | 53,334 us-gaap_SeniorLongTermNotes / us-gaap_DebtInstrumentAxis = msa_SeniorNotesPayableThroughTwoThousandTwentyOneFivePointFourtyOnePercentageMember
Debt instruments maturity date | 2021 | 2021
Senior Notes, interest rate | 5.41%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = msa_SeniorNotesPayableThroughTwoThousandTwentyOneFivePointFourtyOnePercentageMember | 5.41%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = msa_SeniorNotesPayableThroughTwoThousandTwentyOneFivePointFourtyOnePercentageMember
Senior Notes Payable Through 2021, 4.00% |  |
Debt Instrument [Line Items] |  |
Senior notes payable | $ 100,000 us-gaap_SeniorLongTermNotes / us-gaap_DebtInstrumentAxis = msa_SeniorNotesPayableThroughTwoThousandTwentyOneFourPointZeroZeroPercentageMember | $ 100,000 us-gaap_SeniorLongTermNotes / us-gaap_DebtInstrumentAxis = msa_SeniorNotesPayableThroughTwoThousandTwentyOneFourPointZeroZeroPercentageMember
Debt instruments maturity date | 2021 | 2021
Senior Notes, interest rate | 4.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = msa_SeniorNotesPayableThroughTwoThousandTwentyOneFourPointZeroZeroPercentageMember | 4.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = msa_SeniorNotesPayableThroughTwoThousandTwentyOneFourPointZeroZeroPercentageMember

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- Definition Industrial development debt issues payable. + References No definition available. + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19 -Article 5 + Details
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- Definition Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 + Details
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- Definition Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 + Details
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