XML 111 R63.htm IDEA: XBRL DOCUMENT v2.4.1.9
Pensions and Other Postretirement Benefit Plans (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
United States [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Accrued postretirement liability $ 63.9us-gaap_OtherPostretirementBenefitsPayableCurrentAndNoncurrent
/ us-gaap_StatementGeographicalAxis
= country_US
Canada [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Accrued postretirement liability $ 1.1us-gaap_OtherPostretirementBenefitsPayableCurrentAndNoncurrent
/ us-gaap_StatementGeographicalAxis
= country_CA
United States Pension Plan [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Percent of consolidated pension plan assets 44.00%ain_DefinedBenefitPlanWeightedAveragePlanAssets
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
Percent of consolidated pension plan obligations 42.00%ain_DefinedBenefitPlanWeightedAveragePensionObligations
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember