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Discontinued Operations - Components of Pension Expense (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
Mar. 31, 2013
Discontinued Operations And Disposal Groups [Abstract]        
Interest Cost $ 15 $ 17 $ 45 $ 51
Expected return on assets (7) (10) (21) (30)
Amortization of prior service cost 32 27 95 81
Net pension expense $ 40 $ 34 $ 119 $ 102