Pension Benefits (Schedule Of Defined Benefit Plans Disclosures) (Details) (Pension Benefits [Member], USD $) In Thousands	12 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009
Pension Benefits [Member]
Benefit obligation at beginning of year	$ 38,464	$ 34,484
Service cost	0	45	117
Interest cost	1,947	2,118	2,170
Actuarial (gain) loss	(481)	4,192
Benefits paid	(2,291)	(2,375)
Benefit obligation at end of year	37,639	38,464	34,484
Fair value of plan assets at beginning of year	30,043	27,738
Actual return on plan assets	5,802	3,878
Employer contributions	1,792	802
Fair value of plan assets at end of year	35,346	30,043	27,738
Net accrued benefit cost	(2,293)	(8,421)
Prepaid benefit cost (noncurrent assets)	117	0
Accrued benefit liability (noncurrent liabilities)	(2,410)	(8,421)
Net amount recognized	(2,293)	(8,421)
Accumulated benefit obligation	$ 37,639	$ 38,464