Other Income (Expense), Net (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 28, 2012	Jun. 30, 2011	Jun. 28, 2012	Jun. 30, 2011
Other Income (Expense), Net
KDFA bond	$ 1.2	$ 1.0	$ 2.4	$ 2.1
Rental and miscellaneous income	(3.2)	0.2	(3.3)	0.2
Foreign currency gains (losses)	(2.2)	(1.1)	0.2	(0.7)
Total	$ (4.2)	$ 0.1	$ (0.7)	$ 1.6