Note 10 - Stock Repurchase Program

6 Months Ended

Jun. 30, 2014

Disclosure Text Block [Abstract]

Repurchase Agreements, Resale Agreements, Securities Borrowed, and Securities Loaned Disclosure [Text Block]

10.  Stock Repurchase Program

In July 2013, the Board of Directors approved a stock repurchase program that authorizes the Company to repurchase up to $100 million in the aggregate of its common stock through June 30, 2015. All shares are retired upon repurchase. The following table summarizes the repurchase activities under the program:

	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

As of June 30, 2014, $55.6 million remained available for future repurchases under the program.