Commitments and Contingencies (Details) (USD $)	9 Months Ended	12 Months Ended			3 Months Ended
	Sep. 29, 2012 Pending Litigation [Member] Putative Class Action [Member] class_actions	Dec. 31, 2011 Environmental Issue [Member]	Sep. 28, 2013 Environmental Issue [Member]	Mar. 31, 2012 Environmental Issue [Member]	Sep. 28, 2013 Cash Payment on Third Claim [Member] Putative Class Action [Member]	Sep. 28, 2013 Legal Reserve [Member] Putative Class Action [Member]	Sep. 28, 2013 Notification Reserve [Member] Putative Class Action [Member]
Loss Contingencies [Line Items]
Environmental Remediation Funding		$ 100,000
Letters of Credit Outstanding, Amount			339,500	228,000
Loss Contingency, New Claims Filed, Number	7
Litigation Settlement, Amount					$ 8,000	$ 2,500,000	$ 600,000