Revenue Recognition and Accounts Receivables - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Receivables [Abstract]
Net revenues for settlements and filings of prior year Medicare and Medicaid cost reports	$ (297)	$ 302	$ (297)	$ 506