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v2.4.1.9

Segment Information - Summary of Net Sales, Operating Income (Loss), and Total Assets by Segment (Detail) (USD $) In Millions, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Dec. 31, 2014
Segment Reporting Information [Line Items] |  |  |
Total net sales | $ 221.6 us-gaap_Revenues | $ 200.2 us-gaap_Revenues |
Total operating income | 24.8 us-gaap_OperatingIncomeLoss | 12.8 us-gaap_OperatingIncomeLoss |
Interest expense | 0.6 us-gaap_InterestExpense | 1.0 us-gaap_InterestExpense |
Other expense, net | 0.9 us-gaap_OtherNonoperatingIncomeExpense | 0 us-gaap_OtherNonoperatingIncomeExpense |
Income before income taxes | 23.3 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 11.8 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest |
Total identifiable assets | 649.0 us-gaap_Assets |  | 658.7 us-gaap_Assets
Discontinued Operations [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total identifiable assets | 4.2 us-gaap_Assets / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember |  | 4.2 us-gaap_Assets / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentDiscontinuedOperationsMember
Continuing Operations [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total identifiable assets | 644.8 us-gaap_Assets / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember |  | 654.5 us-gaap_Assets / us-gaap_StatementOperatingActivitiesSegmentAxis = us-gaap_SegmentContinuingOperationsMember
Corporate and Eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Total operating income | (6.0)us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = fss_CorporateAndEliminationsMember | (5.9)us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = fss_CorporateAndEliminationsMember |
Total identifiable assets | 57.3 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = fss_CorporateAndEliminationsMember |  | 68.0 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = fss_CorporateAndEliminationsMember
Environmental Solutions |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net sales | 140.2 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = fss_EnvironmentalSolutionsMember | 120.7 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = fss_EnvironmentalSolutionsMember |
Total operating income | 23.9 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = fss_EnvironmentalSolutionsMember | 15.2 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = fss_EnvironmentalSolutionsMember |
Total identifiable assets | 273.6 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = fss_EnvironmentalSolutionsMember |  | 254.2 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = fss_EnvironmentalSolutionsMember
Safety And Security Systems |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net sales | 56.3 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = fss_SafetyAndSecuritySystemsMember | 55.0 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = fss_SafetyAndSecuritySystemsMember |
Total operating income | 6.6 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = fss_SafetyAndSecuritySystemsMember | 4.3 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = fss_SafetyAndSecuritySystemsMember |
Total identifiable assets | 203.6 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = fss_SafetyAndSecuritySystemsMember |  | 208.3 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = fss_SafetyAndSecuritySystemsMember
Fire Rescue |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net sales | 25.1 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = fss_FireRescueMember | 24.5 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = fss_FireRescueMember |
Total operating income | 0.3 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = fss_FireRescueMember | (0.8)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = fss_FireRescueMember |
Total identifiable assets | $ 110.3 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = fss_FireRescueMember |  | $ 124.0 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = fss_FireRescueMember

X
- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + 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 210.5-02.18) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 7 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 20 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=51673353&loc=d3e41242-110953 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 10 -Article 5 + Details
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Balance Type: | credit
Period Type: | duration

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- Definition Amount of the cost of borrowed funds accounted for as interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.9) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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Balance Type: | debit
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- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
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Balance Type: | credit
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- Definition The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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Period Type: | duration

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- Definition 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). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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Balance Type: | credit
Period Type: | duration

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- Details
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Namespace Prefix: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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