NCI BUILDING SYSTEMS INC | 2013 | FY | 3

The following table represents the rollforward of our uncollectible accounts for the fiscal years ended November 3, 2013, October 28, 2012 and October 30, 2011 (in thousands):  
 
 
November 3,
 
October 28,
 
October 30,
 
 
 
2013
 
2012
 
2011
 
Beginning balance
 
$
6,000
 
$
6,109
 
$
5,232
 
Provision for bad debts
 
 
1,679
 
 
149
 
 
1,843
 
Amounts charged against allowance for bad debts,
    net of recoveries
 
 
(1,624)
 
 
(258)
 
 
(966)
 
Ending balance
 
$
6,055
 
$
6,000
 
$
6,109
 

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

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Property, plant and equipment consists of the following (in thousands):
 
 
November 3, 2013
 
October 28, 2012
 
Land
 
$
22,406
 
$
25,925
 
Buildings and improvements
 
 
182,943
 
 
180,363
 
Machinery, equipment and furniture
 
 
279,682
 
 
257,357
 
Transportation equipment
 
 
2,907
 
 
2,959
 
Computer software and equipment
 
 
98,890
 
 
90,087
 
Construction in progress
 
 
26,068
 
 
32,892
 
 
 
 
612,896
 
 
589,583
 
Less accumulated depreciation
 
 
(351,978)
 
 
(320,708)
 
 
 
$
260,918
 
$
268,875
 

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The components of inventory are as follows (in thousands):
 
 
 
 
 
 
 
 
 
 
 
November 3, 2013
 
October 28, 2012
 
Raw materials
 
$
87,567
 
$
77,459
 
Work in process and finished goods
 
 
34,538
 
 
28,556
 
 
 
$
122,105
 
$
106,015
 

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The following table represents the rollforward of reserve for obsolete materials and supplies activity for the fiscal years ended November 3, 2013, October 28, 2012 and October 30, 2011 (in thousands):
 
 
 
 
 
 
 
 
 
 
 
 
 
 
November 3, 2013
 
October 28, 2012
 
October 30, 2011
 
Beginning balance
 
$
1,521
 
$
1,349
 
$
1,231
 
Provisions
 
 
1,161
 
 
725
 
 
732
 
Dispositions
 
 
(913)
 
 
(553)
 
 
(614)
 
Ending balance
 
$
1,769
 
$
1,521
 
$
1,349
 

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