Cash, Cash Equivalents and Short-Term Investments (Details 2) (USD $) In Thousands, unless otherwise specified	Nov. 29, 2013
Amortized cost and Estimated Fair Value of Short-term fixed Income Securities [Abstract]
Due within one year, Amortized Cost	$ 508,359
Due between one and two years, Amortized Cost	904,704
Due between two and three years, Amortized Cost	698,679
Due after three years, Amortized Cost	217,857
Total, Amortized Cost	2,329,599
Due within one year, Estimated Fair value	509,438
Due between one and two years, Estimated Fair value	908,767
Due between two and three years, Estimated Fair value	702,035
Due after three years, Estimated Fair value	218,236
Total, Estimated Fair value	$ 2,338,476