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Contingencies (Details) (USD $) | 3 Months Ended |  |  | 0 Months Ended | 3 Months Ended
--- | --- | --- | --- | --- | ---
Mar. 30, 2013 | Mar. 30, 2013 Insurance Environmental and Litigation Matters [Member] | Dec. 29, 2012 Insurance Environmental and Litigation Matters [Member] | Feb. 04, 2009 Tierra Maxus Litigation Third Party Complaint [Member] defendant | Mar. 30, 2013 Tierra Maxus Litigation Third Party Complaint [Member] entity
Loss Contingencies [Line Items] |  |  |  |  |
Reserves for insurance, environmental and litigation contingencies |  | $ 36,400,000 | $ 37,000,000 |  |
Insurance Settlements Receivable, Noncurrent |  | 9,300,000 | 9,300,000 |  |
Loss Contingency, Number of Defendants |  |  |  | 2 |
Number of entities involved in third party complaint |  |  |  |  | 300
Litigation Settlement, Amount | $ 195,000 |  |  |  |

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