Other Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Jan. 29, 2016	Jul. 31, 2015	Oct. 31, 2015	Oct. 31, 2014	Jan. 30, 2015
Other Intangible Assets
Gross Carrying Amount	$ 164,824		$ 165,031
Accumulated Amortization	(53,321)		(50,852)
Net	111,503		114,179
Non-amortizable - trade names	4,620		4,831
Total other intangible assets, gross	169,444		169,862
Total other intangible assets, net	116,123		$ 119,010		$ 128,704
Amortization expense for intangible assets	3,200
Estimated amortization expense
Fiscal 2016 (remainder)	7,700
Fiscal 2017	9,500
Fiscal 2018	7,400
Fiscal 2019	6,600
Fiscal 2020	6,000
Fiscal 2021	5,600
After fiscal 2021	$ 68,700
Patents
Other Intangible Assets
Weighted-average Life (Years)	9 years 10 months 24 days	9 years 10 months 24 days	9 years 10 months 24 days	9 years 10 months 24 days
Gross Carrying Amount	$ 15,167		$ 15,191
Accumulated Amortization	(10,334)		(10,175)
Net	$ 4,833		$ 5,016
Non-compete agreements
Other Intangible Assets
Weighted-average Life (Years)	5 years 6 months	5 years 6 months	5 years 6 months	5 years 6 months
Gross Carrying Amount	$ 6,901		$ 6,922
Accumulated Amortization	(6,326)		(6,206)
Net	$ 575		$ 716
Customer-related
Other Intangible Assets
Weighted-average Life (Years)	19 years 1 month 6 days	19 years 1 month 6 days	19 years 1 month 6 days	19 years 1 month 6 days
Gross Carrying Amount	$ 84,502		$ 84,599
Accumulated Amortization	(11,346)		(10,316)
Net	$ 73,156		$ 74,283
Developed technology
Other Intangible Assets
Weighted-average Life (Years)	7 years 7 months 6 days	7 years 7 months 6 days	7 years 7 months 6 days	7 years 7 months 6 days
Gross Carrying Amount	$ 28,739		$ 28,804
Accumulated Amortization	(21,300)		(20,530)
Net	$ 7,439		$ 8,274
Trade names
Other Intangible Assets
Weighted-average Life (Years)	19 years 2 months 12 days	19 years 2 months 12 days	19 years 2 months 12 days	19 years 2 months 12 days
Gross Carrying Amount	$ 28,715		$ 28,715
Accumulated Amortization	(3,215)		(2,825)
Net	25,500		25,890
Other
Other Intangible Assets
Gross Carrying Amount	800		800
Accumulated Amortization	$ (800)		$ (800)