Restructuring charges are reported as a separate line within operating earnings in the Consolidated Statements of (Loss) Earnings. Total restructuring charges were:

	Years Ended December 31,
	2021		2020		2019
Restructuring charges	$	1,687	$	1,830	$	7,448

In September 2020, we initiated a restructuring plan focused on optimizing our manufacturing footprint and improving operational efficiency by better utilizing our systems capabilities. This plan includes transitioning certain administrative functions to a shared service center, realignment of manufacturing locations, and certain other efficiency improvement actions ("September 2020 Plan"). The restructuring cost of the September 2020 Plan is now estimated to be in the range of $3,500 to $4,500, including workforce reduction charges, building and equipment relocation charges, other contract and asset related costs. We have incurred $1,397 in program costs to date, There were no substantial restructuring charges under the September 2020 Plan during the three and twelve months ended December 31, 2021. Due to the robust demand environment and COVID-19 limitations, some projects are delayed. As of December 31, 2021 there was no liability related to the September 2020 Plan.

In June 2016, we announced plans to restructure operations by phasing out production at our Elkhart, Indiana facility and transitioning it into a research and development center supporting our global operations ("June 2016 Plan"). Additional organizational changes were also implemented in various other locations. In 2017, we revised the June 2016 Plan to include an additional $1,100 in planned costs related to the relocation of our corporate headquarters in Lisle, Illinois and our plant in Bolingbrook, Illinois, both of which have now

been consolidated into a single facility. These restructuring actions were completed during the year ended December 31, 2021. Restructuring charges under the June 2016 Plan, were $(3), $(32), and $4,284 during the years ended December 31, 2021, 2020, and 2019, respectively.

In April 2014, we announced plans to restructure our operations and consolidate our Canadian operations into other existing facilities as part of our overall plan to simplify our business model and rationalize our global footprint ("April 2014 Plan"). These restructuring actions were substantially completed during 2015 and the remaining liability was settled during the first half of the year ended December 31, 2021.

From time to time we incur other restructuring activities that are not part of a formal plan. During the years ended December 31, 2021 and 2020, we incurred restructuring charges of $1,717 and $442, respectively, for exit and disposal activities at three sites, building and equipment relocation, and workforce reduction costs across the company. The remaining restructuring liability associated with these actions was $962 and $9 at December 31, 2021 and December 31, 2020, respectively.

The following table displays the restructuring liability activity for all plans the year ended December 31, 2021:

Restructuring liability at January 1, 2021	$	1,363
Restructuring charges		1,687
Cost paid		(1,903	)
Other activities⁽¹⁾		(185	)
Restructuring liability at December 31, 2021	$	962

The total liability of $962 is included in Accrued expenses and other liabilities at December 31, 2021.