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Property and Equipment Years Disclosure Narrative (Detail Level 4) | 12 Months Ended
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Jun. 30, 2011
Land Improvements |
Minimum Estimated Useful Life | 5
Maximum Estimated Useful Life | 20
Building |
Minimum Estimated Useful Life | 20
Maximum Estimated Useful Life | 30
Leasehold Improvements |
Minimum Estimated Useful Life | 5
Maximum Estimated Useful Life | 20
Office Equipment |
Minimum Estimated Useful Life | 5
Maximum Estimated Useful Life | 8
Flight Equipment |
Minimum Estimated Useful Life | 6
Maximum Estimated Useful Life | 12

X
- Definition The maximum useful life of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum
Namespace Prefix: | us-gaap
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The minimum useful life of long lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLifeMinimum
Namespace Prefix: | us-gaap
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration