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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Tax effect allocated to a disposal group that is classified as a component of the entity reported as a separate component of income before extraordinary items. Includes the tax effects of the following: 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 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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Summary of Revenues and Earnings (Losses) of Discontinued Operation (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended						12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Disposal Group, Including Discontinued Operation, Income Statement Disclosures
Earnings (loss) from discontinued operation net income taxes	$ 131	$ 2	$ (4,226)	$ (166)	$ (608)	$ (1,789)	$ 133	$ (6,789)	$ (9,443)
Tellurium product line
Disposal Group, Including Discontinued Operation, Income Statement Disclosures
Revenues							1,849	7,321	18,227
Earnings (loss) from discontinued operation before income taxes							133	(6,789)	(9,583)
Income tax benefit									140
Earnings (loss) from discontinued operation net income taxes							$ 133	$ (6,789)	$ (9,443)