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Note 8 - Treasury Stock	3 Months Ended
	Mar. 31, 2016
Notes to Financial Statements
Treasury Stock [Text Block]	8. TREASURY STOCK On July 1, 2015, the Company’s board of directors (the “Board”) authorized up to $250 million of share repurchases (subject to a total cap of 600,000 shares of Company common stock). Purchases under the stock repurchase program may be made from time to time on the open market and in privately negotiated transactions. The size and timing of these purchases will be based on a number of factors, including price and business and market conditions. As of March 31, 2016, the Company repurchased 119,970 shares at an aggregate cost of $51.0 million.

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The entire disclosure for treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock.

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