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Variable Interest Entities (Details) (USD $)
In Millions, unless otherwise specified
Jun. 28, 2013
Variable Interest Entity [Line Items]  
Variable interest entity, total assets $ 44.8
Variable interest entity, total liabilities 9.4
Variable interest entity, long-term debt 5.0
Standby Letters of Credit [Member]
 
Variable Interest Entity [Line Items]  
Letter of credit facility, amount applied to guarantee VIE debt $ 0.8