Note 22 - Quarterly Financial Data (Unaudited) (Detail) - Quarterly Financial Data (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
2012
Total revenues	$ 2,150.7	$ 1,957.0	$ 1,917.2
Gross profit	81.0	18.6	15.8
Operating income	421.7	504.9	424.8
Income from continuing operations	249.7	292.3	219.6
Diluted EPS (in Dollars per share)	$ 0.85	$ 0.94	$ 0.62
First [Member]
2012
Total revenues	445.5	451.2
Gross profit	251.9	269.4
Operating income	99.9	120.2
Income from continuing operations	50.3	72.8
Net income	49.3	73.7
Diluted EPS (in Dollars per share)	$ 0.16	$ 0.25
Second [Member]
2012
Total revenues	541.3	477.0
Gross profit	313.6	282.6
Operating income	118.0	128.1
Income from continuing operations	62.4	67.7
Net income	61.9	69.6
Diluted EPS (in Dollars per share)	$ 0.21	$ 0.23
Third [Member]
2012
Total revenues	532.8	489.0
Gross profit	302.6	288.6
Operating income	95.5	140.8
Income from continuing operations	46.9	91.8
Net income	46.6	86.9
Diluted EPS (in Dollars per share)	$ 0.16	$ 0.29
Fourth [Member]
2012
Total revenues	631.1	539.8
Gross profit	369.5	297.8
Operating income	108.3	115.8
Income from continuing operations	90.1	60.0
Net income	$ 88.1	$ 53.4
Diluted EPS (in Dollars per share)	$ 0.33	$ 0.18