Property and Equipment (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Land	$ 25,003	$ 25,011
Land improvements	25,385	25,954
Buildings	142,350	141,733
Leasehold improvements	24,037	22,185
Equipment and furniture	293,044	262,497
Aircraft and equipment	45,179	35,029
Construction in progress	18,099	5,750
Property and equipment, total	573,097	518,159
Less accumulated depreciation	272,586	241,429
Property and equipment, net	300,511	276,730
Capital Expenditures Incurred but Not yet Paid	2,179	457
Capital Lease Obligations Incurred	$ 29,131	$ 13,488
Land Improvements [Member]
Estimated Useful Life	5 - 20 years
Building [Member]
Estimated Useful Life	20 - 30 years
Leasehold Improvements [Member]
Estimated Useful Life	5 - 20 years
Equipment [Member]
Estimated Useful Life	5 - 8 years
Flight Equipment [Member]
Estimated Useful Life	5 - 15 years