Cash, Cash Equivalents and Short-Term Investments (Details 2) (USD $) In Thousands, unless otherwise specified	Aug. 29, 2014
Amortized cost and Estimated Fair Value of Short-term fixed Income Securities [Abstract]
Due within one year, Amortized Cost	$ 629,477
Due between one and two years, Amortized Cost	808,082
Due between two and three years, Amortized Cost	915,643
Due after three years, Amortized Cost	255,855
Total, Amortized Cost	2,609,057
Due within one year, Estimated Fair value	630,712
Due between one and two years, Estimated Fair value	810,830
Due between two and three years, Estimated Fair value	918,119
Due after three years, Estimated Fair value	256,580
Total, Estimated Fair value	$ 2,616,241