Summary of Significant Accounting Policies - Fair Value Contingent Consideration Significant Unobservable Inputs (Details) - Fair Value, Inputs, Level 3 [Member] $ in Thousands	12 Months Ended
	Oct. 28, 2017 USD ($)
Fair Value Measurement Of Contingent Consideration Encompasses Following Significant Unobservable Inputs Table [Abstract]
Potential contingent consideration payments	$ 8,500
Minimum [Member]
Fair Value Measurement Of Contingent Consideration Encompasses Following Significant Unobservable Inputs Table [Abstract]
Discount rate	0.00%
Timing of cash flow	1 year
Probability of achievement	90.00%
Maximum [Member]
Fair Value Measurement Of Contingent Consideration Encompasses Following Significant Unobservable Inputs Table [Abstract]
Discount rate	2.00%
Timing of cash flow	2 years
Probability of achievement	100.00%