Note 17 - Share-Based and Other Compensation Plans (Unrecognized Compensation Expense) (Details) (USD $) In Millions, unless otherwise specified				12 Months Ended
Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012 Equity Compensation Plan, 1995 and 2008 [Member]	Dec. 31, 2012 Scenario, Forecast [Member] Equity Compensation Plan, 1995 and 2008 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense related to unvested portion of all stock-based awards	$ 7.4	$ 7.8	$ 22.4
Unrecognized compensation expense weighted average recognition period (in years)				2 years

As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph h

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant