Note 10 - Stock Repurchase Program (Detail) - Repurchases by Month (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended	11 Months Ended
	Jun. 30, 2011	Jun. 30, 2011
Shares Repurchased	2,485,500	4,385,289
Value (in Dollars)	$ 38,472	$ 70,000
February [Member]
Shares Repurchased	817,500
Average Share Price (in Dollars per share)	$ 15.47
Value (in Dollars)	12,648
March [Member]
Shares Repurchased	75,000
Average Share Price (in Dollars per share)	$ 14.17
Value (in Dollars)	1,062
April [Member]
Shares Repurchased	917,200
Average Share Price (in Dollars per share)	$ 14.82
Value (in Dollars)	13,617
May [Member]
Shares Repurchased	657,800
Average Share Price (in Dollars per share)	$ 16.48
Value (in Dollars)	10,843
June [Member]
Shares Repurchased	18,000
Average Share Price (in Dollars per share)	$ 16.79
Value (in Dollars)	$ 302