Property, Plant and Equipment

12 Months Ended

Dec. 27, 2019

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

11. Property, Plant and Equipment

The gross carrying amount and accumulated depreciation of property, plant and equipment were comprised of the following at the end of each period:

	December 27, 2019			December 28, 2018
Land	$	43.4		$	43.9
Buildings	363.6			379.5
Capitalized software	142.2			130.8
Machinery and equipment	1,157.0			1,137.3
Construction in process	193.9			244.7
	1,900.1			1,936.2
Less: accumulated depreciation	(1,003.6		)	(954.2		)
Property, plant and equipment, net	$	896.5		$	982.0

Depreciation expense was as follows:

	Fiscal Year
	2019		2018		2017
Depreciation expense	$	97.7	$	111.9	$	113.8