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Long Term Debt (narrative) (detail) - USD ($)
3 Months Ended 12 Months Ended
Sep. 28, 2013
Mar. 31, 2016
Debt Instrument [Line Items]    
Other Restrictions on Payment of Dividends   $ 50,000
Cash dividends paid on preferred stock   23,000
Pledged Assets Not Separately Reported Fixed Assets   752,800,000
Repayments Of Notes Payable $ 36,700,000  
Secured By Direct Pay Letter Of Credit [Member]    
Debt Instrument [Line Items]    
Special Assessment Bond, Noncurrent   $ 22,600,000