Note 9 - Changes in the Company's Restricted Stock (Details) - Restricted Stock [Member] shares in Thousands	3 Months Ended
	May 28, 2016 $ / shares shares
Unvested restricted stock, beginning of period (in shares) | shares	3,230
Unvested restricted stock, beginning of period (in dollars per share) | $ / shares	$ 62.71
Granted (in shares) | shares	808
Granted (in dollars per share) | $ / shares	$ 45.61
Vested (in shares) | shares	(626)
Vested (in dollars per share) | $ / shares	$ 53.81
Forfeited (in shares) | shares	(49)
Forfeited (in dollars per share) | $ / shares	$ 63.74
Unvested restricted stock, end of period (in shares) | shares	3,363
Unvested restricted stock, end of period (in dollars per share) | $ / shares	$ 60.24