CONSOLIDATED STATEMENT OF FINANCIAL POSITION (USD $) In Thousands, unless otherwise specified	Feb. 28, 2013	Feb. 29, 2012
CURRENT ASSETS
Cash and cash equivalents	$ 86,059	$ 132,438
Trade accounts receivable, net	105,497	113,840
Inventories	242,447	208,945
Deferred and refundable income taxes	72,560	58,118
Prepaid expenses and other	155,343	123,419
Total current assets	661,906	636,760
OTHER ASSETS	456,751	503,700
DEFERRED AND REFUNDABLE INCOME TAXES	92,354	121,228
PROPERTY, PLANT AND EQUIPMENT - NET	372,452	287,776
Total assets	1,583,463	1,549,464
CURRENT LIABILITIES
Accounts payable	119,777	86,166
Accrued liabilities	80,098	58,657
Accrued compensation and benefits	69,309	68,317
Income taxes payable	4,968	7,409
Deferred revenue	31,851	35,519
Other current liabilities	62,593	49,013
Total current liabilities	368,596	305,081
LONG-TERM DEBT	286,381	225,181
OTHER LIABILITIES	225,044	269,367
DEFERRED INCOME TAXES AND NONCURRENT INCOME TAXES PAYABLE	21,565	22,377
SHAREHOLDERS' EQUITY
Capital in excess of par value	522,425	513,163
Treasury stock	(1,093,782)	(1,020,838)
Accumulated other comprehensive loss	(17,133)	(11,830)
Retained earnings	1,238,396	1,210,110
Total shareholders' equity	681,877	727,458
Total liabilities and stockholders equity	1,583,463	1,549,464
Common shares Class A [Member]
SHAREHOLDERS' EQUITY
Common shares	29,088	34,011
Total shareholders' equity	29,088	34,011
Common shares Class B [Member]
SHAREHOLDERS' EQUITY
Common shares	2,883	2,842
Total shareholders' equity	$ 2,883	$ 2,842