Pension And Other Postretirement Benefits Liabilities (Schedule Of Pension And Other Postretirement Benefit Plan Contributions) (Details) (USD $)	3 Months Ended
	Apr. 01, 2012
Defined Benefit Plan Disclosure [Line Items]
Pension and other postretirement benefit plan contributions	$ 3,043,000
Expected additional pension and other postretirement benefit contributions	16,500,000
Benefit payments	3,200,000
U.S. Defined Benefit Postretirement Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension and other postretirement benefit plan contributions	995,000
Expected additional pension and other postretirement benefit contributions	7,500,000
Matching Contributions To 401(k) Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension and other postretirement benefit plan contributions	1,234,000
Expected additional pension and other postretirement benefit contributions	2,900,000
Non U.S. Defined Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension and other postretirement benefit plan contributions	814,000
Expected additional pension and other postretirement benefit contributions	$ 2,900,000