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Property, Plant and Equipment
6 Months Ended
Jun. 29, 2018
Property, Plant and Equipment  
Property, Plant and Equipment Disclosure
10.
Property, Plant and Equipment
The gross carrying amount and accumulated depreciation of property, plant and equipment at the end of each period was as follows:
 
June 29,
2018
 
December 29, 2017
Property, plant and equipment, gross
$
599.6

 
$
569.7

Less: accumulated depreciation
(169.5
)
 
(156.5
)
Property, plant and equipment, net
$
430.1

 
$
413.2



Depreciation expense for property, plant and equipment was as follows:
 
Three Months Ended
 
Six Months Ended
 
June 29, 2018
 
June 30, 2017
 
June 29, 2018
 
June 30, 2017
Depreciation expense
$
11.6

 
$
12.5

 
$
23.3

 
$
25.8