Cash, Cash Equivalents and Short-Term Investments (Details 1) $ in Thousands	Jun. 03, 2016 USD ($) securities	Nov. 27, 2015 USD ($) securities
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities in a continuous unrealized loss position for more than twelve months, fair value	$ 52,841	$ 31,518
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	277	234
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	622,027	2,030,372
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	816	6,869
Fair Value and Gross Unrealized Losses Related to Available-For-Sale Securities [Abstract]
Available-for-sale Securities, Amortized Cost Basis	$ 4,305,453	$ 3,992,616
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Greater than or Equal to One Year | securities	37	15
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Less than One Year | securities	245	914
Asset-backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	$ 8,090	$ 60,057
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	3	147
Corporate Bonds And Commercial Paper [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities in a continuous unrealized loss position for more than twelve months, fair value	51,656	30,218
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	273	233
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	249,383	1,112,883
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	608	5,377
Municipal Notes [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities in a continuous unrealized loss position for more than twelve months, fair value	1,185	1,300
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	4	1
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	59,541	35,594
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	45	50
Foreign Government Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	0	1,268
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	0	8
US Treasury and Government [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	305,013	820,570
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	160	1,287
Cash Equivalents [Member]
Fair Value and Gross Unrealized Losses Related to Available-For-Sale Securities [Abstract]
Available-for-sale Securities, Amortized Cost Basis	602,699	524,190
Cash Equivalents [Member] | Corporate Bonds And Commercial Paper [Member]
Fair Value and Gross Unrealized Losses Related to Available-For-Sale Securities [Abstract]
Available-for-sale Securities, Amortized Cost Basis	$ 10,997
Cash Equivalents [Member] | Municipal Notes [Member]
Fair Value and Gross Unrealized Losses Related to Available-For-Sale Securities [Abstract]
Available-for-sale Securities, Amortized Cost Basis		$ 1,850