Commitments And Contingencies (Narrative) (Details) (USD $)			3 Months Ended		3 Months Ended			12 Months Ended
	Mar. 30, 2013 Silzone Product Liability Insurance [Member]	Mar. 30, 2013 Riata Litigation [Member]	Mar. 30, 2013 VolcanoCorpvs.Lightlab [Member] D	Mar. 30, 2013 Ontario Class Action Matters [Member] Silzone Litigation [Member]	Mar. 30, 2013 Individual Ontario Case [Member] Silzone Litigation [Member]	Mar. 30, 2013 U.S. District Court for the District of Arizona [Member] Silzone Litigation [Member]	Mar. 30, 2013 Superior Court of California case for Los Angeles City and County [Member] Riata Litigation [Member]	Dec. 29, 2012 Regulatory Matters Sylmar, CA [Member]	Mar. 30, 2013 Federal Court [Member] Riata Litigation [Member]	Mar. 30, 2013 Federal Court [Member] U.S. District Court for the District of Minnesota [Member] Riata Litigation [Member]	Mar. 30, 2013 Federal Court [Member] U.S. District Court for the Central District of California [Member] Riata Litigation [Member]	Mar. 30, 2013 Federal Court [Member] U.S. District Court for the Northern District of Georgia [Member] Riata Litigation [Member]	Mar. 30, 2013 Federal Court [Member] U.S. District Court for the Eastern District of Louisiana [Member] Riata Litigation [Member]	Mar. 30, 2013 State Court [Member] Riata Litigation [Member]	Mar. 30, 2013 State Court [Member] Minnesota [Member] Riata Litigation [Member]	Mar. 30, 2013 State Court [Member] California [Member] Riata Litigation [Member]	Mar. 30, 2013 State Court [Member] Indiana [Member] Riata Litigation [Member]	Mar. 30, 2013 State Court [Member] South Carolina [Member] Riata Litigation [Member]
Commitments And Contingencies [Line Items]
days of legal notice			45
Number of outstanding class actions				1	1	1
Number of lawsuits outstanding		23					1		9	3	4	1	1	14	7	5	1	1
Number of claimants with filed lawsuits that are not seeking suit for alleged bodily injuries from surgical removal or replacment of product		1
Number of claimants in lawsuit							29
Number of other multi-plaintiff lawsuits		2
Number of unrelated claimants in each other multi-plaintiff lawsuits		2
Minimum damage loss claimed					$ 1,000,000	$ 75,000
Remaining insurance coverage for Silzone claims	$ 13,000,000
Number of insurance carriers	2
Number of Form 483 Observations								11