STOCK-BASED COMPENSATION (Details 2) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Feb. 25, 2012	Feb. 26, 2011	Feb. 27, 2010
Additional Disclosures
Net cash proceeds from the exercise of stock options (in dollars)	$ 171,088,000	$ 125,700,000	$ 99,727,000
Stock Options
Number of Stock Options
Options outstanding, beginning of period (in shares)	10,135
Granted (in shares)	519
Exercised (in shares)	(4,645)
Forfeited or expired (in shares)	(11)
Options outstanding, end of period (in shares)	5,998	10,135
Options exercisable, end of period (in shares)	4,004
Stock Options, Weighted Average Exercise Price
Options outstanding, beginning of period (in dollars per share)	$ 37.08
Granted (in dollars per share)	$ 56.19
Exercised (in dollars per share)	$ 36.79
Forfeited or expired (in dollars per share)	$ 36.80
Options outstanding, end of period (in dollars per share)	$ 38.96	$ 37.08
Options exercisable, end of period (in dollars per share)	$ 37.84
Additional Disclosures
Weighted average fair value of stock options granted (in dollars per share)	$ 19.65	$ 17.05	$ 12.33
Weighted average remaining contractual term for stock options outstanding (in years)	3.3
Aggregate intrinsic value for stock options outstanding (in dollars)	128,500,000
Weighted average remaining contractual term for options exercisable (in years)	2.2
Aggregate intrinsic value for options exercisable (in dollars)	90,100,000
Total intrinsic value for stock options exercised (in dollars)	101,500,000	50,500,000	61,900,000
Net cash proceeds from the exercise of stock options (in dollars)	171,100,000
Net associated income tax benefit from the exercise of stock options (in dollars)	$ 5,200,000
Restricted Stock
Number of Restricted Shares
Unvested restricted stock, beginning of period (in shares)	4,575
Granted (in shares)	901
Vested (in shares)	(860)
Forfeited (in shares)	(195)
Unvested restricted stock, end of period (in shares)	4,421
Restricted Shares, Weighted Average Grant Date Fair Value
Unvested restricted stock, beginning of period (in dollars per share)	$ 35.58
Granted (in dollars per share)	$ 56.03
Vested (in dollars per share)	$ 35.90
Forfeited (in dollars per share)	$ 38.83
Unvested restricted stock, end of period (in dollars per share)	$ 39.54