Summary of Significant Accounting Policies - Cash, Cash Equivalents and Short-Term Investments (Details) (USD $) In Thousands, unless otherwise specified	Nov. 01, 2014	Nov. 02, 2013	Nov. 03, 2012	Oct. 29, 2011
Unrealized gains and losses on available-for-sale securities classified as short-term investments
Unrealized gains on securities classified as short-term investments	$ 541	$ 1,137
Unrealized losses on securities classified as short-term investments	(407)	(511)
Net unrealized losses on securities classified as short-term investments	134	626
Cash and cash equivalents:
Cash	117,337	45,637
Total cash and cash equivalents	569,233	392,089	528,833	1,405,100
Short-term investments:
Available-for-sale	2,297,235	4,290,823
Total short-term investments	2,297,235	4,290,823
Available-for-sale [Member]
Cash and cash equivalents:
Cash Equivalents	447,968	346,452
Held-to-maturity [Member]
Cash and cash equivalents:
Cash Equivalents	$ 3,928	$ 0