Note 8. Other Expense, Net (Detail) - Other Expense (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 01, 2012	Jul. 03, 2011	Jul. 01, 2012	Jul. 03, 2011
Interest income	$ 0.2	$ 0.2	$ 0.8	$ 0.5
Interest expense	(0.9)	(0.8)	(1.9)	(1.9)
Dividend income	0.3	0.2	0.3	0.2
Foreign exchange (losses) gains	(0.1)	(0.3)	(0.3)	0.1
Other expense, net	$ (0.5)	$ (0.7)	$ (1.1)	$ (1.1)