Discontinued Operations - Components of Pension Expense (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Defined Benefit Plan Disclosure [Line Items]
Interest Cost	$ 17	$ 18	$ 51	$ 36
Expected return on assets	(10)	(10)	(30)	(20)
Amortization of prior service cost	27	14	81	28
Net pension expense	$ 34	$ 22	$ 102	$ 44