LONG-TERM DEBT - Additional Information (Details) (USD $)	1 Months Ended		12 Months Ended					1 Months Ended			1 Months Ended					12 Months Ended		12 Months Ended		1 Months Ended	12 Months Ended		12 Months Ended
	Nov. 30, 2012	Nov. 30, 2010	Nov. 30, 2013	Nov. 30, 2012	Nov. 30, 2011	Nov. 30, 2012 LIBOR Minimum	Nov. 30, 2012 LIBOR Maximum	Jan. 31, 2011 4.63 percent Senior Notes	Nov. 30, 2013 4.63 percent Senior Notes	Nov. 30, 2012 4.63 percent Senior Notes	Jan. 31, 2011 4.63 percent Senior Notes Semi Annual Payment, First Payment	Jan. 31, 2011 4.63 percent Senior Notes Semi Annual Payment, Second Payment	Sep. 30, 2012 3.95 percent Senior Notes	Nov. 30, 2013 3.95 percent Senior Notes	Nov. 30, 2012 3.95 percent Senior Notes	Nov. 30, 2013 4.82 percent Revenue Bonds	Nov. 30, 2012 4.82 percent Revenue Bonds	Nov. 30, 2013 6.25 percent Term Loan Year	Nov. 30, 2012 6.25 percent Term Loan	Jan. 31, 1999 TIF bond debt service funding commitment	Nov. 30, 2013 TIF bond debt service funding commitment	Nov. 30, 2012 TIF bond debt service funding commitment	Nov. 30, 2013 TIF bond debt service funding commitment Semi Annual Payment, First Payment	Nov. 30, 2013 TIF bond debt service funding commitment Semi Annual Payment, Second Payment	Nov. 30, 2013 TIF bond debt service funding commitment Term Bond Due December 1st 2017	Nov. 30, 2013 TIF bond debt service funding commitment Term Bond Due December 1st 2027
Debt Disclosure [Line Items]
Proceeds from long-term debt			$ 0	$ 100,000,000	$ 65,000,000			$ 65,000,000					$ 100,000,000							$ 71,300,000
Frequency of periodic payment								semi-annual
Debt term																		25
Debt, due date								2021-01										2034-10
Debt, interest rate									4.63%	4.63%				3.95%	3.95%	4.82%	4.82%	6.25%	6.25%
Interest payment date											January 18	July 18											April 1	October 1
Long-term debt	276,932,000		274,487,000	276,932,000					65,000,000	65,000,000				100,000,000	100,000,000	662,000	970,000	49,948,000	50,318,000		58,877,000	60,644,000			9,800,000	49,700,000
Debt, monthly payment																29,000		292,000
Debt, maturity date																									Dec. 01, 2017	Dec. 01, 2027
Principal payment date																					October 1
2010 Credit Facility		Nov. 30, 2012
2012 Credit Facility current borrowing capacity			300,000,000
2012 Credit Facility potential borrowing capacity			500,000,000
2012 Credit Facility interest rate description	accrues interest at LIBOR plus 100.0 — 162.5 basis points, depending on the better of its debt rating as determined by specified rating agencies or the Company’s leverage ratio.
Debt instrument basis points						1.00%	1.625%
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	5,296,000		4,638,000	5,296,000
Interest rate swap expense expected to be recognized during the next 12 months			(700,000)
Financing costs deferred	$ 5,000,000		$ 4,400,000	$ 5,000,000