Consolidated Statement of Shareholders' Equity - 6 months ended May 31, 2018 - USD ($) $ in Thousands	Total	Common Stock Class A Common Stock $.01 Par Value	Common Stock Class B Common Stock $.01 Par Value	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Balance at Nov. 30, 2017	$ 1,459,922	$ 241	$ 197	$ 430,114	$ 1,031,361	$ (1,991)
Activity 12/1/17 — 5/31/18:
Net income	186,016				186,016
Comprehensive income	389					389
Cash dividend ($0.47 per share)	(20,738)				(20,738)
Exercise of stock options	718	1		717
Reacquisition of previously issued common stock	(6,419)	(2)		(1,525)	(4,892)
Other	(756)	1		(757)
Stock-based compensation	1,585			1,585
Balance at May. 31, 2018	$ 1,620,717	$ 241	$ 197	$ 430,134	$ 1,191,747	$ (1,602)