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Debt Obligations (Summary of Debt Obligations) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 30, 2013
Mar. 31, 2012
Debt Obligations    
Securitized financing 2005-1 $ 39,850 $ 44,726
Securitized financing 2007-1 42,437 46,749
Construction lending lines 0 4,550
Total debt obligations $ 82,287 $ 96,025