Summary of Significant Accounting Policies (Narrative) (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	0 Months Ended	12 Months Ended			1 Months Ended		0 Months Ended
	Sep. 08, 2011	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011	Mar. 31, 2011 Interest Rate Swap [Member] Cash Flow Hedging [Member]	Jun. 30, 2013 Interest Rate Swap [Member] Cash Flow Hedging [Member]	Aug. 28, 2013 Subsequent Event [Member]	Jun. 30, 2013 Land and Land Improvements [Member]	Jun. 30, 2012 Land and Land Improvements [Member]
Summary Of Significant Accounting Policies [Line Items]
Restricted cash		$ 115	$ 91
Stock repurchase program, shares authorized	4,051
Stock repurchase program, expiration date	May 2014
Dividends declared, per share		$ 0.22	$ 0.20	$ 0.20			$ 0.06
Dividends declared, date of declaration							Aug. 28, 2013
Dividends declared, date of record							Sep. 16, 2013
Dividends declared, date of distribution							Sep. 27, 2013
Common equivalent shares outstanding excluded from calculation of diluted income per common share because their effect would have been anti-dilutive		424	1,340	1,475
Property held for sale		4,058	3,752					4,058	3,752
Depreciation and amortization		1,315	1,317	1,034
Derivative, notional amount					$ 20,000	$ 12,125
Derivative, expiration date					Dec. 31, 2015