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Note 14 - Earnings Per Share (Detail) (USD $) In Millions, unless otherwise specified	0 Months Ended	1 Months Ended		2 Months Ended
	Aug. 06, 2012	Jul. 31, 2012	Jun. 30, 2012	Aug. 06, 2012	Jun. 13, 2012
Accelerated Share Repurchases, Settlement (Payment) or Receipt (in Dollars)					$ 400.0
Incremental Common Shares Attributable to Accelerated Share Repurchase Agreements	4.0	1.8	21.0	26.8
Share Repurchase Program Holdback Percentage			20.00%
Accelerated Share Repurchase Program Initial Fair Value (in Dollars)			0
Treasury Stock [Member]
Accelerated Share Repurchases, Settlement (Payment) or Receipt (in Dollars)					320.0
Additional Paid-in Capital [Member]
Accelerated Share Repurchases, Settlement (Payment) or Receipt (in Dollars)					$ 80.0

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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