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Uncompleted Contracts - Gross and Net Amounts of Uncompleted Contracts (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Jun. 30, 2015
Disclosure Customer Contracts Additional Information [Abstract]
Costs incurred and estimated earnings recognized on uncompleted contracts	$ 1,759,416	$ 1,633,780
Billings on uncompleted contracts	1,733,579	1,644,413
Total	25,837	(10,633)
Shown on balance sheet as:
Costs and estimated earnings in excess of billings on uncompleted contracts	92,646	86,071
Billings on uncompleted contracts in excess of costs and estimated earnings	66,809	96,704
Total	$ 25,837	$ (10,633)

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Liability attributable to (i) billings in excess of costs under the percentage of completion contract accounting method representing the difference between contractually invoiced amounts (billings) and revenue recognized based, for example, on costs incurred to estimated total costs at period end or (ii) contractually invoiced amounts (billings) in excess of costs incurred and accumulated under the completed contract accounting method.

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-Publisher FASB
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