Note 3 - Earnings Per Share (Details) - Net Income Attributable to Participating Securities (Participating Securities [Member], USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jul. 01, 2012	Jun. 30, 2013	Jul. 01, 2012
Participating Securities [Member]
Note 3 - Earnings Per Share (Details) - Net Income Attributable to Participating Securities [Line Items]
Net Income	$ 0.3	$ 0.3	$ 0.5	$ 0.1