8266 - Disclosure - Defined Benefit Plans, Fair Value of Plan Assets Roll Forward (Level 4 Detail)

Line Label Object Class Period Type Balance Report ElementName
1 8266 - Disclosure - Defined Benefit Plans, Fair Value of Plan Assets Roll Forward (Level 4 Detail) Network

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http://www.xbrlsite.com/nfp/role/level4/DefinedBenefitPlansFairValueOfPlanAssetsRollForward
2 Defined Benefit Plans Fair Value Roll Forward [Table] Table nfp:DefinedBenefitPlansFairValueRollForwardTable
3 Benefit Plans [Axis] Axis nfp:BenefitPlansAxis
4 All Benefit Plans [Member] Member nfp:AllBenefitPlansMember
5 Defined Benefit Pension Plans [Member] Member nfp:DefinedBenefitPensionPlansMember
6 Other Defined Benefit Postretirement Obligations [Member] Member nfp:OtherDefinedBenefitPostretirementObligationsMember
7 Defined Benefit Plans Fair Value Roll Forward [Line Items] LineItems nfp:DefinedBenefitPlansFairValueRollForwardLineItems
8 Defined Benefit Plans Fair Value [Roll Forward] Abstract nfp:DefinedBenefitPlansFairValueRollForward
9 Defined Benefit Plans Fair Value, Beginning Balance Concept (Monetary) As Of Debit nfp:DefinedBenefitPlansFairValue
10 Actuarial Return (Loss) on Plan Assets Concept (Monetary) For Period Debit nfp:ActuarialReturnLossOnPlanAssets
11 Contributions to Plan by Employer Concept (Monetary) For Period Debit nfp:ContributionsToPlanByEmployer
12 Contributions to Plan by Plan Participants Concept (Monetary) For Period Debit nfp:ContributionsToPlanByPlanParticipants
13 Benefits Paid from Plan Assets Concept (Monetary) For Period Credit nfp:BenefitsPaidFromPlanAssets
14 Administrative Expenses Paid Concept (Monetary) For Period Credit nfp:AdministrativeExpensesPaid
15 Defined Benefit Plans Fair Value, Ending Balance Concept (Monetary) As Of Debit nfp:DefinedBenefitPlansFairValue