Note 15 - Share-Based and Other Compensation Plans (Other Compensation Programs) (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Officer LTI Plan Cash Based [Member] | Cash Settled [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Non Share Based Compensation Expense	$ 0.5	$ 0.7	$ 0.5
Cash Based LTI Plans [Member] | Cash Settled [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Number of Shares	0	0	0
Cash Based LTI Plans [Member] | Measurement over three-year performance period [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance target weight as percentage of total performance target	50.00%
Cash Based LTI Plans [Member] | Measurement over four-year performance period [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance target weight as percentage of total performance target	50.00%
Executive LTI Plan [Member] | Cash Settled [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Non Share Based Compensation Expense	$ 1.6	$ 0.7	$ 5.5
Cash Based LTI Plans [Member] | Measurement over three-year performance period [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance period	3 years
Cash Based LTI Plans [Member] | Measurement over four-year performance period [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance period	4 years