Supplementary Balance Sheet Information, Other Current Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Jun. 30, 2016
Other Current Assets [Abstract]
Capital spares	$ 12,317	$ 11,628
Prepaid insurance	3,260	4,813
Other prepaid expenses and current assets	5,592	4,640
Total other current assets	$ 21,169	$ 21,081

Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer, and the aggregate carrying amount of current assets not separately disclosed in the balance sheet. Current assets are expected to be realized or consumed within one year (or the normal operating cycle, if longer).

No definition available.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Amount of consideration paid in advance for supplies that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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