XML 89 R37.htm IDEA: XBRL DOCUMENT  v2.3.0.11

Property and Equipment Years Disclosure Narrative (Detail Level 4)	12 Months Ended
	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