Revenue Recognition and Accounts Receivables - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Receivables [Abstract]
Net revenues for settlements and filings of prior year Medicare and Medicaid cost reports	$ 10	$ 105	$ (287)	$ 611