Consolidated Statement of Shareholder's Equity (USD $) In Thousands	Total	Common Shares [Member]	Common Shares - Class A [Member]	Common Shares - Class B [Member]	Capital in Excess of Par Value [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]
Beginning Balance at Feb. 28, 2011	$ 763,758		$ 37,470	$ 2,937	$ 492,048	$ (952,206)	$ (2,346)	$ 1,185,855
Net income	57,198							57,198
Other comprehensive income (loss)	(9,484)						(9,484)
Cash dividends	(23,908)							(23,908)
Sale of shares under benefit plans, including tax benefits	13,549		1,054	314	10,117	11,042		(8,978)
Purchase of treasury shares	(84,708)		(4,514)	(412)		(79,782)
Stock compensation expense	10,982				10,982
Stock grants and other	71		1	3	16	108		(57)
Ending balance at Feb. 29, 2012	727,458		34,011	2,842	513,163	(1,020,838)	(11,830)	1,210,110
Net income	49,918							49,918
Other comprehensive income (loss)	(5,303)						(5,303)
Cash dividends	(19,929)							(19,929)
Sale of shares under benefit plans, including tax benefits	(2,338)		401	40	(1,491)	411		(1,699)
Purchase of treasury shares	(78,742)		(5,325)	(2)		(73,415)
Stock compensation expense	10,743				10,743
Stock grants and other	70		1	3	10	60		(4)
Ending balance at Feb. 28, 2013	681,877		29,088	2,883	522,425	(1,093,782)	(17,133)	1,238,396
Net income	50,522							50,522
Other comprehensive income (loss)	17,885						17,885
Cash dividends	(9,614)							(9,614)
Cash dividends to parent	(75,420)							(75,420)
Sale of shares under benefit plans, including tax benefits	73		223	28	560	342		(1,080)
Contribution from parent	240,000				240,000
Payments to shareholders to effect merger	(568,303)		(29,305)	(606)		(538,392)
Cancellation of Family Shareholders' shares			(5)	(2,307)				2,312
Stock compensation expense	4,125				4,125
Stock grants and other	23		(1)	2	2	25		(5)
Settlement, modification or cancellation of share-based payment awards pursuant to merger (see Note 15)	(13,721)				(13,721)
Cancellation of treasury shares					(513,391)	1,631,807		(1,118,416)
Ending balance at Feb. 28, 2014	$ 327,447				$ 240,000		$ 752	$ 86,695