Note 4 - Goodwill and Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Goodwill and Intangible Assets Disclosure [Text Block]
Goodwill, Written off Related to Sale of Business Unit	$ 1.4		$ 2.5
Goodwill, Purchase Accounting Adjustments			0.2
Amortization of Intangible Assets	$ 2.6	$ 2.9	$ 5.1	$ 5.5