Commitments And Contingencies (Narrative) (Details)	3 Months Ended	9 Months Ended	3 Months Ended												3 Months Ended
	Sep. 27, 2014 CAD	Sep. 27, 2014	Sep. 27, 2014 March 2010 Securities Class Action [Member] USD ($)	Mar. 30, 2013 December 2012 Securities Litigation [Member]	Sep. 27, 2014 Riata Litigation [Member]	Sep. 27, 2014 Riata Litigation [Member] U.S. District Court for the Central District of California [Member]	Sep. 27, 2014 Riata Litigation [Member] Superior Court of California case for Los Angeles City and County [Member]	Jun. 10, 2014 Riata Litigation [Member] Superior Court of California case for Los Angeles City and County [Member]	Apr. 02, 2014 Riata Litigation [Member] Superior Court of California case for Los Angeles City and County [Member]	Jul. 15, 2013 Riata Litigation [Member] Superior Court of California case for Los Angeles City and County [Member]	Apr. 29, 2013 Riata Litigation [Member] Superior Court of California case for Los Angeles City and County [Member]	Apr. 04, 2013 Riata Litigation [Member] Superior Court of California case for Los Angeles City and County [Member]	Oct. 03, 2014 Riata Litigation [Member] Superior Court of California case for Los Angeles City and County [Member] Subsequent Event [Member]	Sep. 27, 2014 Riata Litigation [Member] Federal Court [Member]	Sep. 27, 2014 Riata Litigation [Member] Federal Court [Member] U.S. District Court for the District of Minnesota [Member]	Sep. 27, 2014 Riata Litigation [Member] Federal Court [Member] U.S. District Court for the Central District of California [Member]	Sep. 27, 2014 Riata Litigation [Member] Federal Court [Member] U.S. District Court for the Southern District of Illinois [Member]	Sep. 27, 2014 Riata Litigation [Member] Federal Court [Member] U.S. District Court for the Southern District of Indiana [Member]	Sep. 27, 2014 Riata Litigation [Member] Federal Court [Member] U.S. District Court for the Northern District of New York [Member]	Sep. 27, 2014 Riata Litigation [Member] Federal Court [Member] U.S. District Court for the Southern District of New York [Member]	Sep. 27, 2014 Riata Litigation [Member] Federal Court [Member] U.S. District Court for the Western District of Kentucky [Member]	Sep. 27, 2014 Riata Litigation [Member] Federal Court [Member] U.S. District Court for the Western District of Pennsylvania [Member]	Sep. 27, 2014 Riata Litigation [Member] State Court [Member]	Sep. 27, 2014 Riata Litigation [Member] State Court [Member] Minnesota [Member]	Sep. 27, 2014 Riata Litigation [Member] State Court [Member] California [Member]	Sep. 27, 2014 Riata Litigation [Member] State Court [Member] Alaska [Member]	Sep. 27, 2014 Riata Litigation [Member] State Court [Member] Indiana [Member]	Sep. 27, 2014 Riata Litigation [Member] State Court [Member] Georgia [Member]	Sep. 27, 2014 Riata Litigation [Member] State Court [Member] Kentucky [Member]	Sep. 27, 2014 Riata Litigation [Member] State Court [Member] Florida [Member]	Sep. 27, 2014 Riata Litigation [Member] State Court [Member] South Carolina [Member]	Sep. 27, 2014 Riata Litigation [Member] State Court [Member] Illinois [Member]	Sep. 27, 2014 Silzone Litigation [Member] Individual Ontario Case [Member]	Jun. 30, 2012 Silzone Litigation [Member] Ontario Class Action Matters [Member]	Sep. 27, 2014 Silzone Product Liability Insurance [Member] USD ($)
Commitments And Contingencies [Line Items]
Number of lawsuits outstanding					73									39	3	29	1	1	1	1	2	1	34	7	20	1	1	1	1	1	1	1
Number of multi-plaintiff lawsuits outstanding, excluding class action lawsuits					8
Number of plaintiffs to exceed in one lawsuit to result in a multi-plaintiff case	1	1
Number of claimants in lawsuit						2	2	28	30	21	3	29	58
Number of dismissals related to manufacturing defect causes of action															4
Number of manufacturing defect causes of action initially filed															5
Number of lawsuits outstanding, excluding class action lawsuits																																	1
Remaining insurance coverage for Silzone claims																																			$ 10,000,000
Number of common class issues in class action suit																																		9
Proceeds from Legal Settlements	250,000
Minimum damage loss claimed			$ 475,000,000
Number of cases consolidated				2
Number of open governmental investigations		3