CONSOLIDATED STATEMENT OF FINANCIAL POSITION (USD $) In Thousands, unless otherwise specified	Nov. 23, 2012	Feb. 29, 2012	Nov. 25, 2011
Current assets
Cash and cash equivalents	$ 63,291	$ 132,438	$ 85,661
Trade accounts receivable, net	197,844	113,840	235,318
Inventories	264,330	208,945	214,412
Deferred and refundable income taxes	80,502	58,118	57,400
Prepaid expenses and other	155,543	123,419	123,481
Total current assets	761,510	636,760	716,272
Goodwill			27,713
Other assets	460,647	503,700	417,479
Deferred and refundable income taxes	120,870	121,228	128,595
Property, plant and equipment - at cost	1,004,686	924,512	904,555
Less accumulated depreciation	642,994	636,736	637,334
Property, plant and equipment - net	361,692	287,776	267,221
Assets, Total	1,704,719	1,549,464	1,557,280
Current liabilities
Accounts payable	194,945	86,166	108,254
Accrued liabilities	82,893	58,657	67,596
Accrued compensation and benefits	60,702	68,317	58,411
Income taxes payable	14,641	7,409	26,626
Deferred revenue	26,404	35,519	29,477
Other current liabilities	44,287	49,013	60,963
Total current liabilities	423,872	305,081	351,327
Long-term debt	356,832	225,181	234,642
Other liabilities	259,787	269,367	182,565
Deferred income taxes and noncurrent income taxes payable	21,008	22,377	21,769
Shareholders' equity
Capital in excess of par value	520,119	513,163	509,999
Treasury stock	(1,093,789)	(1,020,838)	(995,338)
Accumulated other comprehensive loss	(11,279)	(11,830)	(14,293)
Retained earnings	1,196,460	1,210,110	1,228,269
Total shareholders' equity	643,220	727,458	766,977
Total liabilities and stockholders' equity	1,704,719	1,549,464	1,557,280
Common Class A [Member]
Shareholders' equity
Common shares	28,849	34,011	35,562
Common Class B [Member]
Shareholders' equity
Common shares	$ 2,860	$ 2,842	$ 2,778