Note 14 - Stock Repurchase Program (Tables)

6 Months Ended

Jun. 30, 2015

Disclosure Text Block [Abstract]

Schedule of Repurchase Agreements [Table Text Block]

	Shares Repurchased		Average Price Per Share		Total Amount
Cumulative balance at January 1, 2015		1,715	$	36.04	$	61,813
Repurchases		203	$	51.33		10,405
Cumulative balance at March 31, 2015		1,918	$	37.66		72,218
Repurchases		148	$	52.19		7,724
Cumulative balance at June 30, 2015		2,066	$	38.70	$	79,942