Commitments and Contingencies - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013 Physician acre	Jun. 30, 2012	Jun. 30, 2011
Commitment And Contingencies [Line Items]
Rent expense	$ 1,918	$ 2,191	$ 2,370
Number of physicians under guarantee agreements	1
Guarantee expenses	137	340	202
Real property	24.74
Lawsuit filing date	Dec. 07, 2007
Additional cash taxes expected to be due	0
Minimum [Member]
Commitment And Contingencies [Line Items]
Operating lease obligations, noncancelable terms	1 year
Maximum [Member]
Commitment And Contingencies [Line Items]
Operating lease obligations, noncancelable terms	13 years
Potential federal income tax liabilities if Notice of Proposed Adjustment by IRS is on dispute	434
Physician Guarantees [Member]
Commitment And Contingencies [Line Items]
Remaining non-cancelable commitments	$ 0