Property, Plant and Equipment

12 Months Ended

Dec. 31, 2020

Property Plant And Equipment [Abstract]

Property, Plant and Equipment

10. Property, Plant and Equipment

DECEMBER 31	2020			2019			Estimated life
Land and land improvements	$	120.6		$	114.3		n/a to 15
Buildings		962.0			888.2		20-40
Machinery and equipment		4,208.3			3,810.5		3-12
Construction in progress		313.9			329.0		n/a
Property, plant and equipment	$	5,604.8		$	5,142.0
Less accumulated depreciation		(3,735.7	)		(3,326.3	)
Net of depreciation	$	1,869.1		$	1,815.7

DEPRECIATION INCLUDED IN	2020		2019		2018
Cost of sales	$	327.1	$	307.0	$	300.9
Selling, general and administrative expenses		12.9		13.4		13.9
Research, development and engineering expenses, net		20.8		18.7		15.9
Total	$	360.8	$	339.1	$	330.7

No significant fixed asset impairments related to the Company’s continuing operations were recognized during 2020, 2019 or 2018.

The net book value of machinery and equipment and buildings and land under finance lease contracts recorded at December 31, 2020 and December 31, 2019 were immaterial. The amortization expense related to finance leases is included with depreciation expenses disclosed in the table above.