Debt (Narrative) (Details) (USD $) | 12 Months Ended | 1 Months Ended | 12 Months Ended | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Aug. 28, 2011
Maximum [Member]
Short-term Borrowing [Member] | Aug. 29, 2010
Maximum [Member]
Short-term Borrowing [Member] | Aug. 28, 2011
Minimum [Member]
Short-term Borrowing [Member] | Aug. 29, 2010
Minimum [Member]
Short-term Borrowing [Member] | Aug. 28, 2011
Short-term Borrowing [Member] | Aug. 29, 2010
Short-term Borrowing [Member] | Apr. 30, 2003
0.92% Semi-Annual Promissory Notes Due April 2010 [Member] | Aug. 28, 2011
Yen TIBOR Plus Margin Term Loan Due June 2018 [Member] | Aug. 29, 2010
Yen TIBOR Plus Margin Term Loan Due June 2018 [Member] | Jun. 30, 2008
Yen TIBOR Plus Margin Term Loan Due June 2018 [Member] | Aug. 28, 2011
2.695% Promissory Notes Due October 2017 [Member] | Oct. 31, 2007
2.695% Promissory Notes Due October 2017 [Member] | Aug. 28, 2011
5.3% Senior Notes Due March 2012 [Member] | Feb. 28, 2007
5.3% Senior Notes Due March 2012 [Member] | Aug. 28, 2011
5.5% Senior Notes Due March 2017 [Member] | Feb. 28, 2007
5.5% Senior Notes Due March 2017 [Member] | Feb. 28, 2007
5.3% Senior Notes Due March 2012 and 5.5% Senior Notes Due March 2017 [Member] | Aug. 31, 1997
3.5% Zero Coupon Convertible Subordinated Notes Due August 2017 | Aug. 28, 2011
3.5% Zero Coupon Convertible Subordinated Notes Due August 2017 | |
| Line of credit facility, current borrowing capacity | $ 391,000,000 | $ 341,000,000 | |||||||||||||||||
| Line of credit facility, amount outstanding | 0 | 26,000,000 | |||||||||||||||||
| Line of credit facility interest rate | 4.39% | 3.63% | 0.58% | 0.61% | |||||||||||||||
| Face amount of debt issued | 900,000,000 | 1,100,000,000 | 900,000,000 | ||||||||||||||||
| Loan interest rate, fixed | 0.92% | 2.695% | 2.695% | 5.30% | 5.30% | 5.50% | 5.50% | ||||||||||||
| Loan interest rate, basis spread on variable rate | 0.35% | 0.35% | |||||||||||||||||
| Loan interest rate, variable | 0.79% | 0.84% | |||||||||||||||||
| Debt instrument, principal due date | April 2010 | June 2018 | June 2018 | October 2017 | October 2017 | March 2012 | March 15, 2012 | March 2017 | March 15, 2017 | August 2017 | August 2017 | ||||||||
| Debt instrument, unamortized discount | 2,000,000 | 6,000,000 | |||||||||||||||||
| Yield to maturity percentage | 3.50% | 3.50% | |||||||||||||||||
| Redemption price Company option | 100.00% | ||||||||||||||||||
| Redemption price certain events | 101.00% | ||||||||||||||||||
| Gross proceeds to company | 450,000,000 | ||||||||||||||||||
| Notes convertible to number of shares, maximum | 878,000 | ||||||||||||||||||
| Conversion price | $ 22.71 | ||||||||||||||||||
| Amount of notes converted | $ 862,000,000 | ||||||||||||||||||