Fair Value (Details 2) (Fair Value, Measurements, Recurring [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jan. 31, 2015		Nov. 01, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities, Fair Value Disclosure	$ 60,645		$ 14,899
Business acquisition contingent consideration at fair value
Business Combination, Contingent Consideration, Liability	4,709
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities, Fair Value Disclosure	55,936		10,093
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities, Fair Value Disclosure	4,709		4,806
Business acquisition contingent consideration at fair value
Fair value adjustment	47	[1]
Business Combination, Contingent Consideration, Effect on Foreign Currency	(144)
Business Combination, Contingent Consideration, Liability	4,709		4,806
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities, Fair Value Disclosure	$ 0		$ 0

[1] Recorded in research and development expense in the Company's condensed consolidated statements of income.