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Customer Contracts (Tables) | 12 Months Ended
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Jun. 30, 2012
Customer Contracts [Abstract] |
Gross and net amount of uncompleted contracts |
|  | June 30, 2012 |  |  | June 30, 2011 |
|  | (In thousands) |
Costs incurred and estimated earnings recognized on uncompleted contracts |  | $ | 774,749 |  |  | $ | 583,334 |
Billings on uncompleted contracts |  |  | 736,480 |  |  |  | 578,763 |
|  | $ | 38,269 |  |  | $ | 4,571 |
Shown on balance sheet as: |  |  |  |  |  |  |  |
Costs and estimated earnings in excess of billings on uncompleted contracts |  | $ | 68,562 |  |  | $ | 40,056 |
Billings on uncompleted contracts in excess of costs and estimated earnings |  |  | 30,293 |  |  |  | 35,485 |
|  | $ | 38,269 |  |  | $ | 4,571 |

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