Summary of Significant Accounting Policies - Cash, Cash Equivalents and Short-Term Investments (Details) - USD ($) $ in Thousands	Oct. 31, 2015	Nov. 01, 2014	Nov. 02, 2013	Nov. 03, 2012
Unrealized gains and losses on available-for-sale securities classified as short-term investments
Unrealized gains on securities classified as short-term investments	$ 233	$ 541
Unrealized losses on securities classified as short-term investments	(584)	(407)
Net unrealized losses on securities classified as short-term investments	(351)	134
Cash and cash equivalents:
Cash	72,638	117,337
Total cash and cash equivalents	884,353	569,233	$ 392,089	$ 528,833
Short-term investments:
Available-for-sale	2,144,575	2,297,235
Total short-term investments	2,144,575	2,297,235
Available-for-sale [Member]
Cash and cash equivalents:
Cash Equivalents	807,935	447,968
Held-to-maturity [Member]
Cash and cash equivalents:
Cash Equivalents	$ 3,780	$ 3,928