Note 5 - Aircraft and Other Equipment Aircraft and other equipment (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

Aircraft and other equipment, excluding other equipment held for sale, consist of the following as of December 31 (in millions): 

	2014			2013
Aircraft	$	3,644.8		$	3,221.8
Flight equipment	171.7			173.8
Office equipment and leasehold improvements	44.4			44.8
Total aircraft and other equipment	3,860.9			3,440.4
Less accumulated depreciation and amortization	(1,000.0		)	(876.8		)
Aircraft and other equipment—net	$	2,860.9		$	2,563.6