Summary of Significant Accounting Policies - Cash, Cash Equivalents and Short-Term Investments (Details) - USD ($) $ in Thousands	Oct. 29, 2016	Oct. 31, 2015	Nov. 01, 2014	Nov. 02, 2013
Unrealized gains and losses on available-for-sale securities classified as short-term investments
Unrealized gains on securities classified as short-term investments	$ 846	$ 233
Unrealized losses on securities classified as short-term investments	(294)	(584)
Net unrealized losses on securities classified as short-term investments	552	(351)
Cash and cash equivalents:
Cash	67,877	72,638
Total cash and cash equivalents	921,132	884,353	$ 569,233	$ 392,089
Short-term investments:
Available-for-sale	3,110,011	2,144,575
Held-to-maturity Securities, Current	24,650	0
Total short-term investments	3,134,661	2,144,575
Available-for-sale [Member]
Cash and cash equivalents:
Cash Equivalents	693,255	807,935
Held-to-maturity [Member]
Cash and cash equivalents:
Cash Equivalents	$ 160,000	$ 3,780