Note 12 - Stock Incentive and Employee Benefit Plans (Detail) - Stock Options And Stock Appreciation Rights By Exercise Prices Range (USD $)					12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2012 $0.67 to $6.94 [Member]	Dec. 31, 2012 $14.82 to $29.84 [Member]
Outstanding, Exercise Price - Low					$ 0.67	$ 14.82
Outstanding, Exercise Price - High					$ 6.94	$ 29.84
Outstanding, Number of Shares (in Shares)	18,616,382	17,877,785	18,630,205	20,391,956	17,999,585	616,797
Outstanding, Weighted Average Exercise Price	$ 4.21	$ 4.33	$ 4.46	$ 4.75	$ 3.43	$ 26.92
Outstanding, Weighted Average Remaining Contractual Life					3 years 240 days	1 year 29 days
Exercisable, Number of Shares (in Shares)	11,956,258	13,137,785	10,401,955		11,339,461	616,797
Exercisable, Weighted Average Exercise Price	$ 4.17	$ 4.84	$ 5.96		$ 2.94	$ 26.92