Long-Term Debt (Detail) - USD ($) $ in Thousands	Feb. 28, 2017	Nov. 30, 2016
Debt Instrument [Line Items]
Long-term debt	$ 264,817	$ 265,023
Debt Instrument, Unamortized Discount and Debt Issuance Costs	(2,119)	(2,203)
Less: current portion	3,752	3,738
Debt Instrument, Unamortized Discount and Debt Issuance Costs, Current	(333)	(334)
Long-Term Debt	261,065	261,285
Debt Instrument, Unamortized Discount and Debt Issuance Costs, Non-current	(1,786)	(1,869)
4.63 percent Senior Notes
Debt Instrument [Line Items]
Long-term debt	65,000	65,000
Debt Instrument, Unamortized Discount and Debt Issuance Costs	(197)	(210)
3.95 percent Senior Notes
Debt Instrument [Line Items]
Long-term debt	100,000	100,000
Debt Instrument, Unamortized Discount and Debt Issuance Costs	(317)	(328)
6.25 percent Term Loan
Debt Instrument [Line Items]
Long-term debt	47,658	47,878
Debt Instrument, Unamortized Discount and Debt Issuance Costs	0	0
TIF bond debt service funding commitment
Debt Instrument [Line Items]
Long-term debt	52,159	52,145
Debt Instrument, Unamortized Discount and Debt Issuance Costs	(1,605)	(1,665)
Line of Credit [Member]
Debt Instrument [Line Items]
Long-term debt	0	0
Debt Instrument, Unamortized Discount and Debt Issuance Costs	$ 0	$ 0