Annual report pursuant to Section 13 and 15(d)

Fair Value of Financial Instruments (Details 3)

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Fair Value of Financial Instruments (Details 3) (Unconsolidated affiliates [Member], USD $)
12 Months Ended
Nov. 30, 2012
Unconsolidated affiliates [Member]
 
Condensed financial information of unconsolidated affiliates  
Revenues $ 83,969,000
Operating expenses 65,351,000
Net Income 4,643,000
Current assets 33,430,000
Noncurrent assets 295,658,000
Current liabilities 16,248,000
Noncurrent liabilities 110,549,000
Partner's equity $ 202,291,000