Earnings (Loss) Per Share Calculation - Reconciliation of Numerator and Denominator of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Oct. 31, 2020	Nov. 02, 2019	Nov. 03, 2018
Numerator
Net income (loss)	$ 361,291	$ 253,434	$ (344,690)
Less: Loss on fair value of debt conversion liability	0	0	(12,894)
Net income (loss) used to calculate Diluted EPS	$ 361,291	$ 253,434	$ (357,584)
Denominator
Basic weighted average shares outstanding (in shares)	154,287	155,720	143,738
Add: Shares underlying outstanding stock options, employee stock purchase plan and restricted stock units (in shares)	1,668	1,892	0
Diluted weighted average shares outstanding (in shares)	155,955	157,612	143,738
Earning Per Share [Abstract]
Basic EPS (in dollars per share)	$ 2.34	$ 1.63	$ (2.40)
Diluted EPS (in dollars per share)	$ 2.32	$ 1.61	$ (2.49)