Pension And Other Postretirement Benefit Plans (Components Of Net Periodic Cost) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2014	Jun. 30, 2013
Pension Plans, Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 1,258	$ 1,513
Interest cost	10,234	9,144
Expected return on plan assets	(15,714)	(12,970)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	30	3
Amortization of net loss (gain)	1,257	3,444
Net periodic cost	(2,935)	1,134
Other Postretirement Benefit Plans, Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Service cost	21	22
Interest cost	96	93
Expected return on plan assets	0	0
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(58)	(59)
Amortization of net loss (gain)	(49)	(11)
Net periodic cost	$ 10	$ 45