Note 4 - Receivables (Detail) - Estimated Future Collections (USD $) In Millions, unless otherwise specified	Sep. 30, 2012
Notes	$ 40.5
Notes	20.6
Notes	61.1
Contracts	177.7
Contracts	77.2
Contracts	38.7
Contracts	2.3
Contracts	0.5
Contracts	296.4
	218.2
	97.8
	38.7
	2.3
	0.5
	$ 357.5