Note 16 - Share-Based and Other Compensation Plans (Awards Summary - Textual) (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended	0 Months Ended	12 Months Ended	24 Months Ended	0 Months Ended	12 Months Ended	24 Months Ended	0 Months Ended	12 Months Ended	24 Months Ended	12 Months Ended	36 Months Ended		12 Months Ended						0 Months Ended	12 Months Ended	24 Months Ended
	Dec. 31, 2011	May 13, 2009 Performance Based RSUs [Member]	Dec. 31, 2011 Performance Based RSUs [Member]	May 10, 2011 Performance Based RSUs [Member]	May 13, 2009 Phantom Stock [Member]	Dec. 31, 2011 Phantom Stock [Member]	May 10, 2011 Phantom Stock [Member]	May 13, 2009 Restricted Stock [Member]	Dec. 31, 2011 Restricted Stock [Member]	May 10, 2011 Restricted Stock [Member]	Dec. 31, 2011 2008 Equity Plan [Member]	Dec. 31, 2011 2008 Equity Plan [Member] years	Dec. 31, 2008 2008 Equity Plan [Member]	Dec. 31, 2011 2008 Equity Plan [Member] Minimum [Member] days	Dec. 31, 2011 2008 Equity Plan [Member] Maximum [Member] years	Dec. 31, 2011 1995 Equity Plan [Member]	Dec. 31, 2011 Equity Settled [Member] 2008 Equity Plan [Member] Performance Based RSUs [Member]	Dec. 31, 2011 Equity Settled [Member] 2008 Equity Plan [Member] Performance Based RSUs [Member] Minimum [Member]	Dec. 31, 2011 Equity Settled [Member] 2008 Equity Plan [Member] Performance Based RSUs [Member] Maximum [Member]	May 13, 2009 Equity Settled [Member] 2008 Equity Plan [Member] Restricted Stock Units (RSUs) [Member]	Dec. 31, 2011 Equity Settled [Member] 2008 Equity Plan [Member] Restricted Stock Units (RSUs) [Member]	May 10, 2011 Equity Settled [Member] 2008 Equity Plan [Member] Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum contractual term for all awards												10
Number of shares of common stock authorized for issuance													6,417,000
Number of shares remaining available for grant (shares reserve)											3,271,288	3,271,288
Share-based Compensation, Reduction of Shares Available for Grant by Each Grant of Equity Award		1.33	1.19	1.14	1.33	1.19	1.14	1.33	1.19	1.14										1.33	1.19	1.14
Share-based Compensation, Performance Target Weight as Percentage of Total Performance Target																	150.00%	0.00%	150.00%
Share-based Compensation Arrangement By Share-based Payment Award Number of Shares Available for Grant Excluding Adjustments											3,605,648	3,605,648
Share-based Compensation Arrangement by Share-based Payment Award, Vesting Percentage of Total Award, Third Anniversary											50.00%
Share-based Compensation Arrangement by Share-based Payment Award, Vesting Percentage of Total Award, Fourth Anniversary											50.00%
Third party minimum threshold percentage acquisition of outstanding common stock											40.00%					20.00%
Share-based Compensation Arrangements, Number of Months (Rolling) Used For Calculation of Change in Control	24
Percentage of Change in Members of Board of Directors Defined As Change in Control	75.00%
Percentage of Board of Directors Who Oppose Change in Control	75.00%
Change of control, grantee employment termination, vesting period range (in days and years)														90	1
Change of control, estimated pre-tax accounting charge, acceleration of compensation expense											$ 7.4