Interest and Other Income (Loss), Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015
Other Income and Expenses [Abstract]
Interest income	$ 6,579	$ 4,058	$ 1,178
Gain (loss) on non-hedge designated foreign currency forward contracts	(1,198)	(23,355)	23,243
Foreign currency exchange gains (losses)	(4,376)	5,870	(47,607)
Modification of debt	(3,616)	0	0
Other	(133)	632	(2,319)
Interest and other income (loss), net	$ (2,744)	$ (12,795)	$ (25,505)