Pension Benefits (Summary Of The Fair Values And Levels Within The Fair Value Hierarchy Of Plan Assets) (Details) - Pension Benefits [Member] - USD ($) $ in Thousands	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 37,146	$ 38,725	$ 36,243
Cash And Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	522	550
Money Market Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	181	460
U.S. Government Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	4,266	3,821
Municipal Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	161
Corporate Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	3,174	2,921
Mortgage Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,857	2,181
Mutual Funds Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	8,820	8,300
Mutual Funds Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	18,165	20,492
Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	27,688	29,802
Level 1 [Member] | Cash And Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	522	550
Level 1 [Member] | Money Market Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	181	460
Level 1 [Member] | U.S. Government Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Level 1 [Member] | Municipal Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0
Level 1 [Member] | Corporate Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Level 1 [Member] | Mortgage Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Level 1 [Member] | Mutual Funds Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	8,820	8,300
Level 1 [Member] | Mutual Funds Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	18,165	20,492
Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	9,458	8,923
Level 2 [Member] | Cash And Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Level 2 [Member] | Money Market Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Level 2 [Member] | U.S. Government Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	4,266	3,821
Level 2 [Member] | Municipal Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	161
Level 2 [Member] | Corporate Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	3,174	2,921
Level 2 [Member] | Mortgage Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,857	2,181
Level 2 [Member] | Mutual Funds Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Level 2 [Member] | Mutual Funds Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Level 3 [Member] | Cash And Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Level 3 [Member] | Money Market Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Level 3 [Member] | U.S. Government Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Level 3 [Member] | Municipal Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0
Level 3 [Member] | Corporate Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Level 3 [Member] | Mortgage Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Level 3 [Member] | Mutual Funds Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Level 3 [Member] | Mutual Funds Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 0	$ 0