Note 5 - Other Expense, Net (Details) - Other Expense, Net (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2013	Sep. 30, 2012	Sep. 29, 2013	Sep. 30, 2012
Other Expense, Net [Abstract]
Interest income	$ 0.1	$ 0.1	$ 0.3	$ 0.9
Interest expense	(0.7)	(0.7)	(2.2)	(2.6)
Dividend income	0	0	0.3	0.3
Net loss on equity investment	(0.3)	0	(1.1)	0
Foreign exchange losses	(0.4)	(0.1)	(1.2)	(0.4)
Other expense, net	$ (1.3)	$ (0.7)	$ (3.9)	$ (1.8)