Discontinued Operations - Components of Pension Expense (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]
Interest Cost	$ 17	$ 18	$ 34	$ 36
Expected return on assets	(10)	(10)	(20)	(20)
Amortization of prior service cost	27	14	54	28
Net pension expense	$ 34	$ 22	$ 68	$ 44