Discontinued Operations - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended	9 Months Ended
Dec. 31, 2012 Beds	Mar. 31, 2013	Mar. 31, 2013 Memorial [Member]	Mar. 31, 2012 Memorial [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of bed facility sold	50
Proceeds from sale	$ 9,800			$ 8,350
Sale value of assets and leasehold interest net of expenses	7,400
Proceeds from sale of business	5,200		7,500
Contribution to pension plan		$ 43

Amount of income (loss) from a disposal group, net of income tax before extraordinary items allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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+ Details