Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

Accounting Policies [Abstract]

Schedule of Inventory

The following table recaps the components of inventory for each period presented:

	December 31, 2019			December 31, 2018
Finished goods	$	308.7		$	331.6
Work in process	54.4			49.6
Raw materials and supplies	323.5			334.9
LIFO reserve	(49.9		)	(82.2		)
Total inventories, net	$	636.7		$	633.9

Schedule of the Activity in the LIFO Reserve

The following table presents the activity in our LIFO reserve for each of the periods presented:

	Year Ended December 31
	2019			2018		2017
Balance, beginning of year	$	82.2		$	50.9	$	33.8
LIFO (benefit) expense	(32.3		)	31.3		18.6
Allocated to divested businesses	—			—		(1.5		)
Balance, end of year	$	49.9		$	82.2	$	50.9

Schedule of Property, Plant and Equipment

The table below presents the depreciation periods of the estimated useful lives of our property, plant and equipment. Accelerated methods are used for tax purposes.

	Useful Life Range	Weighted Average Life
Machinery and equipment	3-20 years	10 years
Buildings	5-40 years	27 years
Other items	3-15 years	10 years

Summary of Other Intangible Assets

	Useful Life Range	Weighted Average Life
Other intangible assets	5-20 years	14 years