PROPERTY, PLANT, AND EQUIPMENT, NET

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

PROPERTY, PLANT, AND EQUIPMENT, NET

6. PROPERTY, PLANT, AND EQUIPMENT, NET

Property, plant and equipment, net consisted of the following as of the dates presented (in millions):

	December 31,
	2020		2019
Land	$	12.9	$	16.0
Leasehold improvements	67.9		62.9
Buildings	55.8		71.9
Office equipment	33.3		27.2
Software	74.3		71.2
Machinery and equipment	230.7		236.4
Construction-in-progress	39.3		35.0
Property, plant and equipment	514.2		520.6
Accumulated depreciation	(277.1)		(281.6)
Property, plant, and equipment, net	$	237.1	$	239.0

Depreciation expense on property, plant and equipment was $32.2 million, $29.6 million and $25.5 million for the years ended December 31, 2020, 2019 and 2018, respectively. During 2020, 2019 and 2018, the Company capitalized interest of approximately $0.5 million, $0.5 million and $0.8 million, respectively.