Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	May. 31, 2015	May. 31, 2014
OPERATING ACTIVITIES
Net income	$ 28,308	$ 41,364
Adjustments to reconcile net income to net cash provided by operating activities:
Gain on assumption of controlling interest in equity investee	0	(5,447)
Depreciation and amortization	48,766	45,561
Stock-based compensation	1,438	1,119
Amortization of financing costs	889	888
Interest received on Staten Island note receivable	2,324	0
Deferred income taxes	3,003	(7,387)
Income from equity investments	(7,746)	(4,414)
Distribution from equity investee	8,321	4,988
Loss on asset retirements, non-cash	379	267
Other, net	(644)	118
Changes in operating assets and liabilities:
Receivables, net	(21,766)	(21,111)
Inventories, prepaid expenses and other assets	(5,701)	(8,129)
Accounts payable and other liabilities	(3,558)	(2,402)
Deferred income	49,896	45,887
Income taxes	(7,049)	14,124
Net cash provided by operating activities	96,860	105,426
INVESTING ACTIVITIES
Capital expenditures	(75,928)	(74,708)
Distribution from equity investee and affiliate	5,179	5,012
Equity investments and advances to affiliate	0	946
Proceeds from sale of Staten Island property	0	6,314
Cash included in assumption of ownership interest in equity investee	0	4,686
Other, net	43	248
Net cash used in investing activities	(70,706)	(59,394)
FINANCING ACTIVITIES
Payment of long-term debt	(560)	(353)
Reacquisition of previously issued common stock	983	323
Net cash used in financing activities	(1,543)	(676)
Net increase in cash and cash equivalents	24,611	45,356
Cash and cash equivalents at beginning of period	158,847
Cash and cash equivalents at end of period	$ 183,458	$ 218,183