Pension Benefits (Summary Of The Fair Values And Levels Within The Fair Value Hierarchy Of Plan Assets) (Details) (Pension Benefits [Member], USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 35,135	$ 35,346	$ 30,043
Cash And Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	168	264
Money Market Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	488	97
U.S. Government Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	4,707	3,825
Corporate Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2,196	1,918
Mortgage Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,958	2,562
Mutual Funds Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	8,054	9,088
Mutual Funds Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	17,564	17,592
Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	26,274	27,041
Level 1 [Member] | Cash And Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	168	264
Level 1 [Member] | Money Market Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	488	97
Level 1 [Member] | U.S. Government Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	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	8,054	9,088
Level 1 [Member] | Mutual Funds Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	17,564	17,592
Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	8,861	8,305
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	4,707	3,825
Level 2 [Member] | Corporate Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2,196	1,918
Level 2 [Member] | Mortgage Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,958	2,562
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] | 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