Note 10 - Stock Repurchase Program (Tables)

6 Months Ended

Jun. 30, 2014

Disclosure Text Block [Abstract]

Schedule of Repurchase Agreements [Table Text Block]

	Shares Repurchased		Average Price Per Share		Total Amount
					(in thousands)
Cumulative balance at January 1, 2014		663,802	$	31.06	$	20,615
Repurchases		323,789	$	35.08		11,358
Cumulative balance at March 31, 2014		987,591	$	32.38		31,973
Repurchases		321,764	$	38.65		12,438
Cumulative balance at June 30, 2014		1,309,355	$	33.92	$	44,411