Pension Benefits (Tables) (Pension Benefits [Member])

9 Months Ended

Mar. 31, 2012

Pension Benefits [Member]

Defined Benefit Plan Disclosure [Line Items]

Components Of Net Periodic Benefit Cost

	Three Months Ended March 31		Nine Months Ended March 31
	2012	2011	2012	2011
Components of net periodic benefit cost
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