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Note 15 - 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 0 Months Ended 12 Months Ended 24 Months Ended 12 Months Ended
Dec. 31, 2013
plan
Dec. 31, 2013
Stock Options [Member]
Equity Compensation Plan, 1995 and 2008 [Member]
Dec. 31, 2013
Equity Compensation Plan, 1995 and 2008 [Member]
Dec. 31, 2013
Equity Compensation Plan, 1995 and 2008 [Member]
Stock Options [Member]
Dec. 31, 2013
Equity Compensation Plan, 1995 and 2008 [Member]
Restricted Stock, Restricted Stock Units and Performance Shares [Member]
Dec. 31, 2013
Equity Compensation Plan, 1995 and 2008 [Member]
Restricted Stock Units (RSUs) [Member]
Dec. 31, 2013
Equity Compensation Plan, 1995 and 2008 [Member]
Performance Based RSUs [Member]
Dec. 31, 2013
Equity Compensation Plan, 2008 [Member]
May 12, 2009
Equity Compensation Plan, 2008 [Member]
Restricted Stock Units (RSUs) [Member]
Dec. 31, 2013
Equity Compensation Plan, 2008 [Member]
Restricted Stock Units (RSUs) [Member]
May 10, 2011
Equity Compensation Plan, 2008 [Member]
Restricted Stock Units (RSUs) [Member]
May 12, 2009
Equity Compensation Plan, 2008 [Member]
Phantom Stock [Member]
Dec. 31, 2013
Equity Compensation Plan, 2008 [Member]
Phantom Stock [Member]
May 10, 2011
Equity Compensation Plan, 2008 [Member]
Phantom Stock [Member]
May 12, 2009
Equity Compensation Plan, 2008 [Member]
Restricted Stock [Member]
Dec. 31, 2013
Equity Compensation Plan, 2008 [Member]
Restricted Stock [Member]
May 10, 2011
Equity Compensation Plan, 2008 [Member]
Restricted Stock [Member]
Dec. 31, 2013
Equity Compensation Plan, 2008 [Member]
Restricted Stock [Member]
Equity Settled [Member]
May 12, 2009
Equity Compensation Plan, 2008 [Member]
Performance Based RSUs [Member]
Dec. 31, 2013
Equity Compensation Plan, 2008 [Member]
Performance Based RSUs [Member]
May 10, 2011
Equity Compensation Plan, 2008 [Member]
Performance Based RSUs [Member]
Dec. 31, 2013
Grants Awarded Prior to May 13 2009 [Member]
Equity Compensation Plan, 1995
Dec. 31, 2013
Grants Awarded Prior to May 13 2009 [Member]
Equity Compensation Plan, 1995 and 2008 [Member]
Dec. 31, 2013
Grants Awarded From May 13 2009 and Forward [Member]
Equity Compensation Plan, 2008 [Member]
Minimum [Member]
Dec. 31, 2013
Grants Awarded From May 13 2009 and Forward [Member]
Equity Compensation Plan, 2008 [Member]
Maximum [Member]
Dec. 31, 2013
Scenario, Forecast [Member]
Equity Compensation Plan, 1995 and 2008 [Member]
Dec. 31, 2012
Scenario, Forecast [Member]
Equity Compensation Plan, 1995 and 2008 [Member]
Dec. 31, 2011
Scenario, Forecast [Member]
Equity Compensation Plan, 1995 and 2008 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                        
Maximum contractual term for all awards     10 years                                                  
Number of shares of common stock authorized for issuance               6,417,000                                        
Number of shares remaining available for grant (shares reserve)       123,859       118,813                                        
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 Arrangement By Share-based Payment Award Number of Shares Available for Grant Excluding Adjustments               716,350                                        
Share-based Compensation Arrangement by Share-based Payment Award, Vesting Percentage of Total Award, Third Anniversary       50.00% 100.00% 100.00% 100.00%                     50.00%                    
Share-based Compensation Arrangement by Share-based Payment Award, Vesting Percentage of Total Award, Fourth Anniversary   50.00%                               50.00%                    
Third party minimum threshold percentage acquisition of outstanding common stock                                           20.00% 40.00%          
Share-based Compensation Arrangements, Number of Months (Rolling) Used For Calculation of Change in Control                                             24 months          
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 days 1 year      
Change of control, estimated pre-tax accounting charge, acceleration of compensation expense                                                   $ 31.9 $ 22.4 $ 7.4
Number of Long Term Performance Based Cash Incentive Programs 2