Fair Value - Contingent Consideration (Details) - Recurring [Member] $ in Thousands	6 Months Ended
	Apr. 29, 2017 USD ($)
Business acquisition contingent consideration at fair value
Contingent consideration, beginning period	$ 7,555
Contingent consideration, ending period	9,722
Level 3 [Member]
Business acquisition contingent consideration at fair value
Contingent consideration, beginning period	7,555
Contingent consideration liability recorded	2,000
Contingent consideration, ending period	9,722
Level 3 [Member] | Research and Development Expense [Member]
Business acquisition contingent consideration at fair value
Contingent consideration liability recorded	$ 167