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Customer Contracts (Tables) | 12 Months Ended
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Jun. 30, 2013
Contractors [Abstract] |
Gross and net amount of uncompleted contracts |
|  | June 30, 2013 |  | June 30, 2012
|  | (In thousands)
Costs and estimated earnings recognized on uncompleted contracts |  | $ | 802,588 |  |  | $ | 774,749 |
Billings on uncompleted contracts |  | 791,663 |  |  | 736,480 |
|  | $ | 10,925 |  |  | $ | 38,269 |
Shown on balance sheet as: |  |  |  |
Costs and estimated earnings in excess of billings on uncompleted contracts |  | $ | 73,773 |  |  | $ | 68,562 |
Billings on uncompleted contracts in excess of costs and estimated earnings |  | 62,848 |  |  | 30,293 |
|  | $ | 10,925 |  |  | $ | 38,269 |

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