Note 16 - Share-Based Compensation (Detail) - Nonqualified Stock Option Transactions (USD $)	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010
Granted (in Shares)	45,889		49,569
Nonqualified Stock Options [Member]
Outstanding at beginning of year (in Shares)	2,492,000
Outstanding at beginning of year	32.23
Outstanding at end of period (in Shares)	1,974,000
Outstanding at end of period	32.25
Outstanding at end of period	3.60	[1]
Outstanding at end of period (in Dollars)		[2]
Ending vested and expected to vest (in Shares)	1,974,000
Ending vested and expected to vest	32.25
Ending vested and expected to vest	3.60	[1]
Ending vested and expected to vest (in Dollars)		[2]
Exercisable at end of period (in Shares)	1,974,000
Exercisable at end of period	32.25
Exercisable at end of period	3.60	[1]
Exercisable at end of period (in Dollars)		[2]
Granted (in Shares)	42,000
Granted	12.17
Expired (in Shares)	(560,000)
Expired	30.62

[1] Represents the average remaining contractual life in years.

[2] Aggregate intrinsic value represents the total pre-tax intrinsic value (i.e., the difference between the Company's average of the high and low stock price on the last trading day of the year and the option exercise price, multiplied by the number of shares) that would have been received by the option holders if they had exercised their options on December 31, 2011. This amount will fluctuate with changes in the fair value of the Company's common stock.