Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Major classes of inventories

Major Classes of Inventories	December 31, 2020		December 31, 2019
Raw materials and supplies	$	93.8	$	92.6
Work in process	42.3		51.3
Finished goods	172.8		181.3
LIFO reserve	2.0		2.0
Inventories, net	$	310.9	$	327.2
Other Inventory Items
Inventory reserves	$	(39.3)	$	(34.2)
Consigned inventory	$	13.4	$	8.2

Schedule of Property, plant and equipment, and depreciation expense

The following table summarizes property, plant and equipment:

	December 31, 2020		December 31, 2019
Land and land improvements	$	12.7	$	12.1
Buildings	87.8		84.8
Machinery and equipment	440.1		424.0
Leased property under finance leases	44.8		39.2
Total property, plant and equipment	585.4		560.1
Less: Accumulated depreciation	348.8		322.5
Property, plant and equipment, net	$	236.6	$	237.6

	Year Ended December 31,
	2020		2019		2018
Depreciation expense	$	29.6	$	27.7	$	29.4

Changes in product warranty liability

The following table presents the changes in the Company’s product warranty liability:

	Year Ended December 31,
	2020		2019		2018
Balance at January 1	$	6.4	$	6.2	$	7.9
Claims paid during the year	(2.5)		(4.1)		(5.3)
Warranty expense	2.5		4.3		3.6
Balance at December 31	$	6.4	$	6.4	$	6.2

Weighted-average number of shares used in computing earnings per share

The following table sets forth the weighted-average number of shares used in the computation of (loss) earnings per share:

	Year Ended December 31,
	2020	2019	2018
	(In whole shares)
Weighted average basic shares outstanding	12,061,419	12,225,481	12,255,490
Dilutive impact of employee stock awards	—	153,608	253,023
Weighted average diluted shares outstanding	12,061,419	12,379,089	12,508,513