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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
 12 Months Ended
Oct. 30, 2016
Accounting Policies [Abstract]  
Rollforward of uncollectible accounts
The following table represents the rollforward of our uncollectible accounts for the fiscal years ended October 30, 2016, November 1, 2015 and November 2, 2014 (in thousands):
 
October 30,
2016
 
November 1,
2015
 
November 2,
2014
Beginning balance
$
7,695

 
$
6,076

 
$
6,055

Provision for bad debts
1,343

 
110

 
256

Amounts charged against allowance for bad debts, net of recoveries
(1,625
)
 
(114
)
 
(235
)
Allowance for bad debts of acquired company at date of acquisition
—

 
1,623

 
—

Ending balance
$
7,413

 
$
7,695

 
$
6,076
Components of inventory
The components of inventory are as follows (in thousands):
 
October 30,
2016
 
November 1,
2015
Raw materials
$
145,060

 
$
109,455

Work in process and finished goods
41,764

 
48,373

 
$
186,824

 
$
157,828
Rollforward of reserve for obsolete materials and supplies
The following table represents the rollforward of reserve for obsolete materials and supplies activity for the fiscal years ended October 30, 2016, November 1, 2015 and November 2, 2014 (in thousands):
 
October 30,
2016
 
November 1,
2015
 
November 2,
2014
Beginning balance
$
3,749

 
$
1,743

 
$
1,769

Provisions
1,463

 
943

 
648

Dispositions
(1,228
)
 
(552
)
 
(674
)
Reserve of acquired company at date of acquisition
—

 
1,615

 
—

Ending balance
$
3,984

 
$
3,749

 
$
1,743
Property, plant and equipment
Property, plant and equipment consists of the following (in thousands):
 
October 30,
2016
 
November 1,
2015
Land
$
19,707

 
$
20,277

Buildings and improvements
187,173

 
182,831

Machinery, equipment and furniture
314,477

 
331,113

Transportation equipment
4,635

 
4,458

Computer software and equipment
114,191

 
107,341

Construction in progress
21,673

 
22,656

 
661,856

 
668,676

Less accumulated depreciation
(419,644
)
 
(410,784
)
 
$
242,212

 
$
257,892
Estimated useful lives for depreciation
Estimated useful lives for depreciation are:
Buildings and improvements
15
–
39 years
Machinery, equipment and furniture
3
–
15 years
Transportation equipment
4
–
10 years
Computer software and equipment
3
–
7 years