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Impairment Charges Allocated to Company's Reporting Segments (Detail) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Indefinite-lived Intangible Assets [Line Items]  
Impairment of intangibles $ 25.4us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill
Trademarks And Tradenames  
Indefinite-lived Intangible Assets [Line Items]  
Impairment of intangibles 25.4us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TrademarksAndTradeNamesMember
Trademarks And Tradenames | Branded Consumables  
Indefinite-lived Intangible Assets [Line Items]  
Impairment of intangibles 13.9us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TrademarksAndTradeNamesMember
/ us-gaap_StatementBusinessSegmentsAxis
= jah_BrandedConsumablesMember
Trademarks And Tradenames | Consumer Solutions  
Indefinite-lived Intangible Assets [Line Items]  
Impairment of intangibles 0.7us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TrademarksAndTradeNamesMember
/ us-gaap_StatementBusinessSegmentsAxis
= jah_ConsumerSolutionsMember
Trademarks And Tradenames | Outdoor Solutions  
Indefinite-lived Intangible Assets [Line Items]  
Impairment of intangibles 9.9us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TrademarksAndTradeNamesMember
/ us-gaap_StatementBusinessSegmentsAxis
= jah_OutdoorSolutionsMember
Trademarks And Tradenames | Process Solutions  
Indefinite-lived Intangible Assets [Line Items]  
Impairment of intangibles $ 0.9us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TrademarksAndTradeNamesMember
/ us-gaap_StatementBusinessSegmentsAxis
= jah_ProcessSolutionsMember