Contingencies (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 30, 2014 years
Loss Contingencies [Line Items]
Management's estimate of total cost of ultimate disposition	$ 13.7
Number of years over which estimated environmental cost will be paid	10
Enzo Biochem, Inc. Complaint [Member]
Loss Contingencies [Line Items]
Legal Fees	$ 3.2