Restructuring Activities (Liabilities And Cash Costs For Restructuring Activities) (Details) (USD $) In Millions	6 Months Ended
	Jul. 01, 2011
Liability Balance at December 31, 2010	$ 5.2
Costs paid or settled	(1.0)
Liability Balance at July 1, 2011	4.2
Cumulative restructuring costs incurred to date	17.0
Severance Liability [Member] | North Brunswick Facility [Member]
Liability Balance at December 31, 2010	0
Costs paid or settled	0
Liability Balance at July 1, 2011	0
Cumulative restructuring costs incurred to date	3.0
Contract Termination Costs [Member] | North Brunswick Facility [Member]
Liability Balance at December 31, 2010	4.7
Costs paid or settled	(1.0)
Liability Balance at July 1, 2011	3.7
Cumulative restructuring costs incurred to date	11.5
Other Exit and Disposal Costs [Member] | North Brunswick Facility [Member]
Liability Balance at December 31, 2010	0.4
Costs paid or settled	0
Liability Balance at July 1, 2011	0.4
Cumulative restructuring costs incurred to date	$ 2.5