Note 6 - Other Expense, Net (Details) - Other Expense, Net (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jul. 01, 2012	Jun. 30, 2013	Jul. 01, 2012
Other Expense, Net [Abstract]
Interest income	$ 0.1	$ 0.2	$ 0.2	$ 0.8
Interest expense	(0.8)	(0.9)	(1.5)	(1.9)
Dividend income	0.3	0.3	0.3	0.3
Net loss on equity investment	(0.5)	0	(0.8)	0
Foreign exchange losses	(0.7)	(0.1)	(0.8)	(0.3)
Other expense, net	$ (1.6)	$ (0.5)	$ (2.6)	$ (1.1)