Restructuring (Schedule Of Reconciliation Of Accrued Restructuring Charges) (Details) (USD $) In Millions	9 Months Ended
	Oct. 02, 2011
Employee Termination Costs Per Contract [Member]
Restructuring charges accrued through October 2, 2011	$ 5.4
Less: payments made through October 2, 2011	3.3
Balance at October 2, 2011	2.1
Accrued Other Costs [Member]
Restructuring charges accrued through October 2, 2011	0.4
Less: payments made through October 2, 2011	0.4
Total Accrued Restructuring Charges [Member]
Restructuring charges accrued through October 2, 2011	5.8
Less: payments made through October 2, 2011	3.7
Balance at October 2, 2011	$ 2.1