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Retirement, Pension and Other Postretirement Plans - Fair Values of Pension Plan Assets (Detail) (USD $)
In Thousands, unless otherwise specified
Oct. 31, 2014
Oct. 31, 2013
Oct. 31, 2012
Pension Plan, United States [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 277,912us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
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= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
$ 243,506us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
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= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
$ 214,128us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
Pension Plan, United States [Member] | Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 73,764us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
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78,675us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
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= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
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= us-gaap_FairValueInputsLevel1Member
 
Pension Plan, United States [Member] | Level 2 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 187,653us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
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= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
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= us-gaap_FairValueInputsLevel2Member
149,873us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
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= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
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= us-gaap_FairValueInputsLevel2Member
 
Pension Plan, United States [Member] | Level 3 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 16,495us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
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= us-gaap_FairValueInputsLevel3Member
14,958us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
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= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
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= us-gaap_FairValueInputsLevel3Member
 
Pension Plan, United States [Member] | Cash [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 1,617us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_CashMember
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2,811us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
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= us-gaap_CashMember
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= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
 
Pension Plan, United States [Member] | Cash [Member] | Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 1,617us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_CashMember
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2,811us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
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= us-gaap_CashMember
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= us-gaap_FairValueInputsLevel1Member
 
Pension Plan, United States [Member] | Money Market Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 2,820us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_MoneyMarketFundsMember
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2,783us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
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= us-gaap_MoneyMarketFundsMember
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= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
 
Pension Plan, United States [Member] | Money Market Funds [Member] | Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 2,820us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_MoneyMarketFundsMember
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= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
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2,783us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
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= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
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= us-gaap_FairValueInputsLevel1Member
 
Pension Plan, United States [Member] | Equity Securities Basic Materials [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 3,224us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= ndsn_EquitySecuritiesBasicMaterialsMember
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3,834us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
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= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
 
Pension Plan, United States [Member] | Equity Securities Basic Materials [Member] | Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 3,224us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= ndsn_EquitySecuritiesBasicMaterialsMember
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3,834us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
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= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
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= us-gaap_FairValueInputsLevel1Member
 
Pension Plan, United States [Member] | Equity Securities Consumer Goods [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 5,114us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
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= ndsn_EquitySecuritiesConsumerGoodsMember
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4,958us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
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= ndsn_EquitySecuritiesConsumerGoodsMember
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= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
 
Pension Plan, United States [Member] | Equity Securities Consumer Goods [Member] | Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 5,114us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= ndsn_EquitySecuritiesConsumerGoodsMember
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= us-gaap_FairValueInputsLevel1Member
4,958us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
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= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
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= us-gaap_FairValueInputsLevel1Member
 
Pension Plan, United States [Member] | Equity Securities Financial [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 8,036us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
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= ndsn_EquitySecuritiesFinancialMember
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7,825us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
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= ndsn_EquitySecuritiesFinancialMember
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= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
 
Pension Plan, United States [Member] | Equity Securities Financial [Member] | Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 8,036us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= ndsn_EquitySecuritiesFinancialMember
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= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
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= us-gaap_FairValueInputsLevel1Member
7,825us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
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= ndsn_EquitySecuritiesFinancialMember
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= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
 
Pension Plan, United States [Member] | Equity Securities Healthcare [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 4,372us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= ndsn_EquitySecuritiesHealthcareMember
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= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
4,109us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
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= ndsn_EquitySecuritiesHealthcareMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
 
Pension Plan, United States [Member] | Equity Securities Healthcare [Member] | Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 4,372us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= ndsn_EquitySecuritiesHealthcareMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
4,109us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= ndsn_EquitySecuritiesHealthcareMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
 
Pension Plan, United States [Member] | Equity Securities Industrial Goods [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 3,527us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= ndsn_EquitySecuritiesIndustrialGoodsMember
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= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
3,255us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
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= ndsn_EquitySecuritiesIndustrialGoodsMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
 
Pension Plan, United States [Member] | Equity Securities Industrial Goods [Member] | Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 3,527us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= ndsn_EquitySecuritiesIndustrialGoodsMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
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= us-gaap_FairValueInputsLevel1Member
3,255us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= ndsn_EquitySecuritiesIndustrialGoodsMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
 
Pension Plan, United States [Member] | Equity Securities Technology [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 4,226us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= ndsn_EquitySecuritiesTechnologyMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
4,159us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= ndsn_EquitySecuritiesTechnologyMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
 
Pension Plan, United States [Member] | Equity Securities Technology [Member] | Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 4,226us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= ndsn_EquitySecuritiesTechnologyMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
4,159us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= ndsn_EquitySecuritiesTechnologyMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
 
Pension Plan, United States [Member] | Equity Securities Utilities [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 1,084us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= ndsn_EquitySecuritiesUtilitiesMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
988us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= ndsn_EquitySecuritiesUtilitiesMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
 
Pension Plan, United States [Member] | Equity Securities Utilities [Member] | Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 1,084us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= ndsn_EquitySecuritiesUtilitiesMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
988us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= ndsn_EquitySecuritiesUtilitiesMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
 
Pension Plan, United States [Member] | Mutual Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 31,255us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= ndsn_MutualFundsMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
32,617us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= ndsn_MutualFundsMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
 
Pension Plan, United States [Member] | Mutual Funds [Member] | Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 31,255us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= ndsn_MutualFundsMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
32,617us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= ndsn_MutualFundsMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
 
Pension Plan, United States [Member] | Fixed Income Securities US Government [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 26,447us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_USGovernmentDebtSecuritiesMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
26,892us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_USGovernmentDebtSecuritiesMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
 
Pension Plan, United States [Member] | Fixed Income Securities US Government [Member] | Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 7,877us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_USGovernmentDebtSecuritiesMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
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= us-gaap_FairValueInputsLevel1Member
10,715us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_USGovernmentDebtSecuritiesMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
 
Pension Plan, United States [Member] | Fixed Income Securities US Government [Member] | Level 2 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 18,570us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_USGovernmentDebtSecuritiesMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
16,177us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_USGovernmentDebtSecuritiesMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
 
Pension Plan, United States [Member] | Fixed Income Securities Corporate [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 50,720us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_CorporateDebtSecuritiesMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
43,367us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_CorporateDebtSecuritiesMember
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
 
Pension Plan, United States [Member] | Fixed Income Securities Corporate [Member] | Level 2 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 50,720us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_CorporateDebtSecuritiesMember
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Pension Plan, United States [Member] | Fixed Income Securities Other [Member]      
Defined Benefit Plan Disclosure [Line Items]      
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Pension Plan, United States [Member] | Fixed Income Securities Other [Member] | Level 2 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
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Pension Plan, United States [Member] | Other Types of Investments Real Estate Collective Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
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Pension Plan, United States [Member] | Other Types of Investments Real Estate Collective Funds [Member] | Level 3 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
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Defined Benefit Plan Disclosure [Line Items]      
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Pension Plan, United States [Member] | Other Types of Investments Pooled Investment Funds [Member] | Level 2 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
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Pension Plan, United States [Member] | Other Types of Investments Other [Member]      
Defined Benefit Plan Disclosure [Line Items]      
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Pension Plan, United States [Member] | Other Types of Investments Other [Member] | Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
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Pension Plan, International [Member]      
Defined Benefit Plan Disclosure [Line Items]      
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Pension Plan, International [Member] | Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
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Defined Benefit Plan Disclosure [Line Items]      
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Defined Benefit Plan Disclosure [Line Items]      
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Pension Plan, International [Member] | Cash [Member]      
Defined Benefit Plan Disclosure [Line Items]      
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Pension Plan, International [Member] | Cash [Member] | Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
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Pension Plan, International [Member] | Other Types of Investments Insurance Contracts [Member]      
Defined Benefit Plan Disclosure [Line Items]      
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Pension Plan, International [Member] | Other Types of Investments Insurance Contracts [Member] | Level 3 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
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Pension Plan, International [Member] | Other Types of Investments Pooled Investment Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
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Pension Plan, International [Member] | Other Types of Investments Pooled Investment Funds [Member] | Level 2 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 16,436us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
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