Annual report pursuant to Section 13 and 15(d)

Long-Term Debt and Lines of Credit - Modification of Credit Agreements (Details)

v3.8.0.1
Long-Term Debt and Lines of Credit - Modification of Credit Agreements (Details) - USD ($)
Sep. 30, 2017
Sep. 30, 2016
Feb. 28, 2015
Debt Instrument [Line Items]      
Interest rate term loans (up to) $ 186,476,000 $ 197,219,000  
Silver Nip Citrus | Loans Payable      
Debt Instrument [Line Items]      
Interest rate term loans (up to)     $ 7,000,000
Limited guaranty and security agreement     $ 7,000,000