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Network
2413404 - Disclosure - Employee Benefit Plans (Reconciliation Of The Beginning And Ending Balances Of The Fair Value Of Plan Assets And Funded Status Of The Plan) (Details)
(http://www.thirdfederal.com/role/EmployeeBenefitPlansReconciliationOfBeginningAndEndingBalancesOfFairValueOfPlanAssetsAndFundedStatusOfPlanDetails)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001381668 (http://www.sec.gov/CIK)
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]Period [Axis]
2015-10-01 - 2016-09-30
2014-10-01 - 2015-09-30
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]
 
 
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
 
 
Fair value of plan assets at beginning of the year
60,849,000  
63,212,000  
Actual return on plan assets
4,371,000  
(560,000) 
Employer contributions
4,000,000  
2,000,000  
Benefits paid
(3,269,000) 
(3,803,000) 
Fair value of plan assets at end of year
65,951,000  
 
60,849,000  
 
Funded status of the plan-asset/(liability)
(18,267,000) 
(15,886,000)