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PROPERTY, PLANT AND EQUIPMENT
12 Months Ended
Dec. 29, 2012
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT
 PROPERTY, PLANT AND EQUIPMENT
(Millions of Dollars)
2012
 
2011
Land
$
113.5

 
$
103.2

Land improvements
29.9

 
25.9

Buildings
470.8

 
423.2

Leasehold improvements
73.9

 
48.7

Machinery and equipment
1,644.0

 
1,363.4

Computer software
364.4

 
293.5

Property, plant & equipment, gross
$
2,696.5

 
$
2,257.9

Less: accumulated depreciation and amortization
(1,362.8
)
 
(1,115.3
)
Property, plant & equipment, net
$
1,333.7

 
$
1,142.6




Depreciation and amortization expense associated with property, plant and equipment was as follows:
(Millions of Dollars)
2012
 
2011
 
2010
Depreciation
$
210.6

 
$
194.4

 
$
177.4

Amortization
27.3

 
34.1

 
26.0

Depreciation and amortization expense
$
237.9

 
$
228.5

 
$
203.4



The amounts above are inclusive of depreciation and amortization expense for discontinued operations amounting to $21.2 million in 2012, $23.8 million in 2011 and $28.9 million in 2010.