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Restructuring And Other Charges (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended 6 Months Ended
Jun. 30, 2011
Manchester, United Kingdom Non-Dairy Beverage Facility [Member]
Dec. 31, 2011
United Kingdom Fresh Food-To-Go Products [Member]
Restructuring Cost and Reserve [Line Items]    
Costs associated with facility closure plan $ 321 $ 581
Remaining amount accrued   $ 644