Employee Benefit Plans (Schedule Of Plan Assets) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 23,621	$ 22,675
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	21,629	17,461
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Money Market Accounts [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		61
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Registered Investment Companies [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	8,231	7,797
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Domestic Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	4,819	6,598
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | International Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	8,579	3,005
Significant Other Observable Inputs (Level 2) [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,787	5,214
Significant Other Observable Inputs (Level 2) [Member] | Corporate Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,667	4,950
Significant Other Observable Inputs (Level 2) [Member] | Government Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	120	264
Significant Unobservable Inputs (Level 3) [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	205
Significant Unobservable Inputs (Level 3) [Member] | Money Market Accounts [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 205