Pension Benefits (Components Of Net Periodic Benefit Cost) (Details) (Pension Benefits [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012	Mar. 31, 2011
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 483	$ 487	$ 1,449	$ 1,461
Expected return on plan assets	(599)	(507)	(1,797)	(1,521)
Amortization of unrecognized net loss	89	136	267	410
Net periodic benefit (income) cost	$ (27)	$ 116	$ (81)	$ 350