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Note 17 - Earnings Per Share (Detail) In Millions, except Per Share data, unless otherwise specified	1 Months Ended				4 Months Ended
	Sep. 30, 2012 USD ($)	Aug. 31, 2012	Jul. 31, 2012	Jun. 30, 2012	Sep. 30, 2012 USD ($)	Jun. 19, 2012 USD ($)	Sep. 30, 2010 HKD	May 31, 2009 USD ($)	Sep. 30, 2012 Additional EPS Dilution [Member]
Debt Instrument, Convertible, Conversion Price (in Dollars per share)	$ 19.97				$ 19.97		0.96	$ 19.97
Derivative, Price Risk Option Strike Price (in Dollars per Item)	19.97				19.97				30.14
Accelerated Share Repurchases, Settlement (Payment) or Receipt (in Dollars)						$ 400.0
Incremental Common Shares Attributable to Accelerated Share Repurchase Agreements	1.0	4.0	1.8	21.0	27.8

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of accelerated share repurchase agreements. An accelerated share repurchase program is a combination of transactions that permits an entity to purchase a targeted number of shares immediately with the final purchase price of those shares determined by an average market price over a fixed period of time.

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