Note 15 - Employee Benefit Plans (Detail) - Pension Plan Asset Allocation (USD $) In Thousands, unless otherwise specified				13 Months Ended			13 Months Ended			13 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2011 Equity Securities [Member]		Dec. 31, 2010 Equity Securities [Member]	Dec. 31, 2011 Fixed Income Securities [Member]		Dec. 31, 2010 Fixed Income Securities [Member]	Dec. 31, 2011 Cash Equivalents [Member]		Dec. 31, 2010 Cash Equivalents [Member]	Dec. 31, 2011 Total [Member]		Dec. 31, 2010 Total [Member]
Asset Category:
Target Allocation 2011				50 - 60%			30 - 48%			2 - 10%
Fair Value of Plan Assets (in Dollars)	$ 62,990	$ 54,713	$ 51,033	$ 32,360	[1]		$ 18,937	[1]		$ 11,693	[1]		$ 62,990	[1]
Percentage of Plan Assets				51.00%		61.00%	30.00%		33.00%	19.00%		6.00%	100.00%		100.00%

[1] Additional information regarding the fair value of plan assets can be found in Note 22, "Fair Value."