Note 17 - Stock Repurchase Program	3 Months Ended
Mar. 31, 2016
Disclosure Text Block Supplement [Abstract]
Treasury Stock [Text Block]	17. Stock Repurchase Program In February 2016, the Company completed the repurchase of the remaining 633,250 shares of its common stock under the August 2015 repurchase program, for $17.0 million, or a $26.82 average price per share. On February 1, 2016, the Board of Directors of the Company adopted a new stock repurchase program to repurchase up to $45.0 million of the Company’s common stock. In February 2016, the Company repurchased 1,380,578 shares of its common stock for $37.5 million, or a $27.13 average price per share under the February 2016 repurchase program. As of March 31, 2016, there was $7.5 million of the Company’s common stock remaining that could be purchased in the future under the February 2016 repurchase program.

Note 17 - Stock Repurchase Program

3 Months Ended

Mar. 31, 2016

Disclosure Text Block Supplement [Abstract]

17. Stock Repurchase Program

In February 2016, the Company completed the repurchase of the remaining 633,250 shares of its common stock under the August 2015 repurchase program, for $17.0 million, or a $26.82 average price per share.

On February 1, 2016, the Board of Directors of the Company adopted a new stock repurchase program to repurchase up to $45.0 million of the Company’s common stock. In February 2016, the Company repurchased 1,380,578 shares of its common stock for $37.5 million, or a $27.13 average price per share under the February 2016 repurchase program. As of March 31, 2016, there was $7.5 million of the Company’s common stock remaining that could be purchased in the future under the February 2016 repurchase program.