Consolidated Statement of Financial Position (USD $) In Thousands, unless otherwise specified	Nov. 25, 2011	Feb. 28, 2011	Nov. 26, 2010
Current assets
Cash and cash equivalents	$ 85,661	$ 215,838	$ 93,899
Trade accounts receivable, net	235,318	119,779	206,286
Inventories	214,412	179,730	181,511
Deferred and refundable income taxes	57,400	64,898	85,694
Assets held for sale	0	7,154	14,148
Prepaid expenses and other	127,376	128,372	127,597
Total current assets	720,167	715,771	709,135
Goodwill	27,713	28,903	31,686
Other assets	422,765	436,137	403,815
Deferred and refundable income taxes	128,595	124,789	146,767
Property, plant and equipment - at cost	882,709	849,552	847,085
Less accumulated depreciation	624,669	607,903	612,166
Property, plant and equipment - net	258,040	241,649	234,919
Total Assets	1,557,280	1,547,249	1,526,322
Current liabilities
Accounts payable	108,254	87,105	97,899
Accrued liabilities	67,596	58,841	66,797
Accrued compensation and benefits	58,411	72,379	59,128
Income taxes payable	26,626	10,951	39,593
Other current liabilities	90,440	102,286	85,156
Total current liabilities	351,327	331,562	348,573
Long-term debt	234,642	232,688	232,078
Other liabilities	182,565	187,505	188,226
Deferred income taxes and noncurrent income taxes payable	21,769	31,736	32,824
Shareholders' equity
Capital in excess of par value	509,999	492,048	486,399
Treasury stock	(995,338)	(952,206)	(952,183)
Accumulated other comprehensive loss	(14,293)	(2,346)	(27,114)
Retained earnings	1,228,269	1,185,855	1,177,415
Total shareholders' equity	766,977	763,758	724,621
Total liabilities and stockholders' equity	1,557,280	1,547,249	1,526,322
Common shares - Class A [Member]
Shareholders' equity
Common shares	35,562	37,470	37,199
Common shares - Class B [Member]
Shareholders' equity
Common shares	$ 2,778	$ 2,937	$ 2,905