Commitments and Contingencies (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Loss Contingencies [Line Items]
Lease expense under operating leases	$ 2,200	$ 1,900	$ 1,400
Other Investors
Loss Contingencies [Line Items]
Recourse liability	1,300	5,400
Other Investors | Non-contingent Recourse Liability [Member]
Loss Contingencies [Line Items]
Recourse liability	600	2,700
Other Investors | Contingent Recourse Liability [Member]
Loss Contingencies [Line Items]
Recourse liability	716	2,700
Mortgage Partnership Finance (MPF) Program
Loss Contingencies [Line Items]
Recourse liability	$ 746	$ 734