Summary of Significant Accounting Policies - Fair Value (Details) - Recurring [Member] - USD ($) $ in Thousands	Oct. 31, 2015		Nov. 01, 2014
Other Assets
Deferred compensation investments	$ 24,124		$ 21,393
Interest Rate Derivative Assets, at Fair Value			1,723
Total assets measured at fair value	2,976,634		2,768,319
Liabilities, Fair Value Disclosure, Recurring	2,843		4,806
Long-term debt
Business Combination, Contingent Consideration, Liability	3,083		10,093
Interest Rate Derivative Liabilities, at Fair Value	32,737
Total liabilities measured at fair value	38,663		14,899
Available-for-sale, amortized cost basis	2,600,000		2,300,000
Contracts in liability position	(3,896)		(10,736)
Institutional Money Market Funds [Member]
Available-for-sale:
Cash equivalents	198,853		178,067
Corporate Obligations [Member]
Available-for-sale:
Cash equivalents	609,082	[1]	269,901	[2]
Corporate Obligations [Member] | Short-term Investments [Member] | One year or less to maturity [Member]
Available-for-sale:
Short-term investments	1,899,374	[1]	2,122,120	[2]
Floating rate notes, issued at par [Member] | Short-term Investments [Member] | One year or less to maturity [Member]
Available-for-sale:
Short-term investments	99,648		85,061
Floating rate notes, issued at par [Member] | Short-term Investments [Member] | Greater than one year to maturity [Member]
Available-for-sale:
Short-term investments			40,044
Floating rate notes [Member] | Short-term Investments [Member] | One year or less to maturity [Member]
Available-for-sale:
Short-term investments	145,553	[1]	50,010	[2]
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Other Assets
Deferred compensation investments	24,124		21,393
Total assets measured at fair value	222,977		199,460
Liabilities, Fair Value Disclosure, Recurring			0
Long-term debt
Business Combination, Contingent Consideration, Liability	0
Total liabilities measured at fair value	0		0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Institutional Money Market Funds [Member]
Available-for-sale:
Cash equivalents	198,853		178,067
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Corporate Obligations [Member]
Available-for-sale:
Cash equivalents	0	[1]	0	[2]
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Corporate Obligations [Member] | Short-term Investments [Member] | One year or less to maturity [Member]
Available-for-sale:
Short-term investments	0	[1]	0	[2]
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Floating rate notes, issued at par [Member] | Short-term Investments [Member] | One year or less to maturity [Member]
Available-for-sale:
Short-term investments	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Floating rate notes [Member] | Short-term Investments [Member] | One year or less to maturity [Member]
Available-for-sale:
Short-term investments	0	[1]	0	[2]
Significant Other Observable Inputs (Level 2) [Member]
Other Assets
Deferred compensation investments	0		0
Interest Rate Derivative Assets, at Fair Value			1,723
Total assets measured at fair value	2,753,657		2,568,859
Liabilities, Fair Value Disclosure, Recurring			0
Long-term debt
Business Combination, Contingent Consideration, Liability	3,083		10,093
Interest Rate Derivative Liabilities, at Fair Value	32,737
Total liabilities measured at fair value	35,820		10,093
Significant Other Observable Inputs (Level 2) [Member] | Institutional Money Market Funds [Member]
Available-for-sale:
Cash equivalents	0		0
Significant Other Observable Inputs (Level 2) [Member] | Corporate Obligations [Member]
Available-for-sale:
Cash equivalents	609,082	[1]	269,901	[2]
Significant Other Observable Inputs (Level 2) [Member] | Corporate Obligations [Member] | Short-term Investments [Member] | One year or less to maturity [Member]
Available-for-sale:
Short-term investments	1,899,374	[1]	2,122,120	[2]
Significant Other Observable Inputs (Level 2) [Member] | Floating rate notes, issued at par [Member] | Short-term Investments [Member] | One year or less to maturity [Member]
Available-for-sale:
Short-term investments	99,648		85,061
Significant Other Observable Inputs (Level 2) [Member] | Floating rate notes, issued at par [Member] | Short-term Investments [Member] | Greater than one year to maturity [Member]
Available-for-sale:
Short-term investments			40,044
Significant Other Observable Inputs (Level 2) [Member] | Floating rate notes [Member] | Short-term Investments [Member] | One year or less to maturity [Member]
Available-for-sale:
Short-term investments	145,553	[1]	50,010	[2]
Unobservable Inputs (Level 3) [Member]
Other Assets
Deferred compensation investments	0		0
Total assets measured at fair value	0		0
Liabilities, Fair Value Disclosure, Recurring	2,843		4,806
Long-term debt
Business Combination, Contingent Consideration, Liability	0
Total liabilities measured at fair value	2,843		4,806
Unobservable Inputs (Level 3) [Member] | Institutional Money Market Funds [Member]
Available-for-sale:
Cash equivalents	0		0
Unobservable Inputs (Level 3) [Member] | Corporate Obligations [Member]
Available-for-sale:
Cash equivalents	0	[1]	0	[2]
Unobservable Inputs (Level 3) [Member] | Corporate Obligations [Member] | Short-term Investments [Member] | One year or less to maturity [Member]
Available-for-sale:
Short-term investments	0	[1]	0	[2]
Unobservable Inputs (Level 3) [Member] | Floating rate notes, issued at par [Member] | Short-term Investments [Member] | One year or less to maturity [Member]
Available-for-sale:
Short-term investments	0
Unobservable Inputs (Level 3) [Member] | Floating rate notes, issued at par [Member] | Short-term Investments [Member] | Greater than one year to maturity [Member]
Available-for-sale:
Short-term investments			0
Unobservable Inputs (Level 3) [Member] | Floating rate notes [Member] | Short-term Investments [Member] | One year or less to maturity [Member]
Available-for-sale:
Short-term investments	$ 0	[1]	$ 0	[2]

[1] The amortized cost of the Company’s investments classified as available-for-sale as of October 31, 2015 was $2.6 billion.

[2] The amortized cost of the Company’s investments classified as available-for-sale as of November 1, 2014 was $2.3 billion.