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Note 15 - Stock Repurchase Program (Detail) - Repurchases by Month (USD $) In Thousands, except Share data, unless otherwise specified	11 Months Ended	12 Months Ended		1 Months Ended
	Jun. 30, 2011	Dec. 31, 2011	Dec. 31, 2010	Feb. 28, 2011 February [Member]	Mar. 31, 2011 March [Member]	Apr. 30, 2011 April [Member]	May 31, 2011 May [Member]	Jun. 30, 2011 June [Member]	Aug. 31, 2010 August [Member]	Nov. 30, 2010 November [Member]
Shares Repurchased	4,385,289	2,485,500	1,899,789	817,500	75,000	917,200	657,800	18,000	983,189	916,600
Average Share Price (in Dollars per share)				$ 15.47	$ 14.17	$ 14.82	$ 16.48	$ 16.79	$ 17.29	$ 15.85
Value (in Dollars)	$ (70,000)	$ 38,472	$ 31,527	$ 12,648	$ 1,062	$ 13,617	$ 10,843	$ 302	$ 16,998	$ 14,529

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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