Stock-Based Compensation (Details 2) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	May 26, 2012	May 28, 2011
Additional Disclosures
Net cash proceeds from the exercise of stock options (in dollars)	$ 26,140,000	$ 57,629,000
Stock Options
Number of Stock Options
Options outstanding, beginning of period (in shares)	5,998
Granted (in shares)	475
Exercised (in shares)	(695)
Forfeited or expired (in shares)	(2)
Options outstanding, end of period (in shares)	5,776
Options exercisable, end of period (in shares)	3,954
Stock Options, Weighted Average Exercise Price
Options outstanding, beginning of period (in dollars per share)	$ 38.96
Granted (in dollars per share)	$ 68.91
Exercised (in dollars per share)	$ 37.59
Forfeited or expired (in dollars per share)	$ 36.20
Options outstanding, end of period (in dollars per share)	$ 41.59
Options exercisable, end of period (in dollars per share)	$ 38.11
Additional Disclosures
Weighted average fair value of stock options granted (in dollars per share)	$ 23.06	$ 19.65
Weighted average remaining contractual term for stock options outstanding (in years)	3.7
Aggregate intrinsic value for stock options outstanding (in dollars)	178,200,000
Weighted average remaining contractual term for options exercisable (in years)	2.6
Aggregate intrinsic value for options exercisable (in dollars)	135,600,000
Total intrinsic value for stock options exercised (in dollars)	21,800,000	33,200,000
Net cash proceeds from the exercise of stock options (in dollars)	26,100,000
Net associated income tax benefit from the exercise of stock options (in dollars)	$ 14,800,000
Restricted Stock
Number of Restricted Shares
Unvested restricted stock, beginning of period (in shares)	4,421
Granted (in shares)	639
Vested (in shares)	(839)
Forfeited (in shares)	(50)
Unvested restricted stock, end of period (in shares)	4,171
Restricted Shares, Weighted Average Grant Date Fair Value
Unvested restricted stock, beginning of period (in dollars per share)	$ 39.54
Granted (in dollars per share)	$ 68.83
Vested (in dollars per share)	$ 35.73
Forfeited (in dollars per share)	$ 40.08
Unvested restricted stock, end of period (in dollars per share)	$ 44.79