LONG-TERM DEBT - Additional Information (Details) (USD $)	12 Months Ended
	Nov. 30, 2014	Nov. 30, 2013	Nov. 30, 2012
Debt Disclosure [Line Items]
Proceeds from long-term debt	$ 0	$ 0	$ 100,000,000
Long-term debt	271,746,000	274,487,000
2012 Credit Facility current borrowing capacity	300,000,000.0
2012 Credit Facility potential borrowing capacity	500,000,000.0
Deferred in other comprehensive loss associated with interest rate swap being amortized as interest expense over life of the private placement completed in January 2011	3,981,000	4,638,000
Interest rate swap expense expected to be recognized during the next 12 months	(700,000)
Financing costs deferred	3,700,000	4,400,000
LIBOR | Minimum
Debt Disclosure [Line Items]
Debt instrument basis points		1.00%
LIBOR | Maximum
Debt Disclosure [Line Items]
Debt instrument basis points		1.625%
4.63 percent Senior Notes
Debt Disclosure [Line Items]
Proceeds from long-term debt	65,000,000
Debt, interest rate	4.63%	4.63%
Frequency of periodic payment	semi-annual
Debt, due date	2021-01
Long-term debt	65,000,000	65,000,000
4.63 percent Senior Notes | Semi Annual Payment, First Payment
Debt Disclosure [Line Items]
Interest payment date	January 18
4.63 percent Senior Notes | Semi Annual Payment, Second Payment
Debt Disclosure [Line Items]
Interest payment date	July 18
3.95 percent Senior Notes
Debt Disclosure [Line Items]
Proceeds from long-term debt	100,000,000
Debt, interest rate	3.95%	3.95%
Maximum leverage ratio	3.50
Maximum net worth percent	15.00%
Long-term debt	100,000,000	100,000,000
Senior Notes 4.6% Due January 2021
Debt Disclosure [Line Items]
Maximum leverage ratio	3.50
Minimum interest coverage ratio	2.0
Maximum net worth percent	15.00%
4.82 percent Revenue Bonds
Debt Disclosure [Line Items]
Debt, interest rate	4.82%	4.82%
Long-term debt	339,000	662,000
Debt, monthly payment	29,000
6.25 percent Term Loan
Debt Disclosure [Line Items]
Debt, interest rate	6.25%	6.25%
Debt term	25
Debt, due date	2034-10
Long-term debt	49,524,000	49,948,000
Debt, monthly payment	292,000
TIF bond debt service funding commitment
Debt Disclosure [Line Items]
Long-term debt	56,883,000	58,877,000
Principal payment date	October 1
TIF bond debt service funding commitment | Semi Annual Payment, First Payment
Debt Disclosure [Line Items]
Interest payment date	April 1
TIF bond debt service funding commitment | Semi Annual Payment, Second Payment
Debt Disclosure [Line Items]
Interest payment date	October 1
TIF bond debt service funding commitment | Term Bond Due December 1st 2017
Debt Disclosure [Line Items]
Long-term debt	7,700,000
Debt, maturity date	Dec. 01, 2017
TIF bond debt service funding commitment | Term Bond Due December 1st 2027
Debt Disclosure [Line Items]
Debt, interest rate	675.00%
Long-term debt	49,700,000
Debt, maturity date	Dec. 01, 2027
2012 Credit Facility
Debt Disclosure [Line Items]
Maximum leverage ratio	3.50
Minimum interest coverage ratio	2.5
Debt instrument basis points	0.50%
2012 Credit Facility | Minimum
Debt Disclosure [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.125%
2012 Credit Facility | Maximum
Debt Disclosure [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.225%
2012 Credit Facility | Standby Letters of Credit
Debt Disclosure [Line Items]
2012 Credit Facility current borrowing capacity	25,000,000.0
2012 Credit Facility | Swing Line Loan
Debt Disclosure [Line Items]
2012 Credit Facility current borrowing capacity	$ 10,000,000.0
Four Quarters Ending after any Permitted Acquisition
Debt Disclosure [Line Items]
Maximum leverage ratio	4.0
London Interbank Offered Rate (LIBOR) | 2012 Credit Facility
Debt Disclosure [Line Items]
Debt instrument basis points	1.00%