Discontinued Operations - Schedule of Discontinued Operations (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Sep. 30, 2012	Sep. 30, 2011
Net Revenues:
Net revenues	$ 4,829	$ 8,671
Earnings (loss) before income taxes:
Earnings (loss) before income taxes	377	306
Income tax expense	1,370	118
Earnings from discontinued operations	198	188
Dexter Hospital [Member]
Net Revenues:
Net revenues	4,829	5,061
Earnings (loss) before income taxes:
Earnings (loss) before income taxes	432	791
Memorial [Member]
Net Revenues:
Net revenues	0	3,610
Earnings (loss) before income taxes:
Earnings (loss) before income taxes	(21)	(463)
Gain on Sale - Memorial	1,191	0
Life sciences and engineering [Member]
Earnings (loss) before income taxes:
Earnings (loss) before income taxes	$ (34)	$ (22)

Amount of gain (loss), before tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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Overall income (loss) from a disposal group that is classified as a component of the entity, before income tax, reported as a separate component of income before extraordinary items. Includes the following (before income 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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- Definition

Amount of income (loss) from a disposal group, net of income tax, reported as a separate component of income before extraordinary items after deduction or consideration of the amount 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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