Restructuring, Asset Impairment, and Transition Expenses (Tables)

3 Months Ended

Mar. 31, 2020

Restructuring And Related Activities [Abstract]

Reconciliation of Accrued Restructuring Costs

The following is a reconciliation of the accrued restructuring costs between January 1, 2020 and March 31, 2020.

	2017 Altra Plan			2019 Altra Plan			Total All Plans
Balance at January 1, 2020	$	1.5		$	2.6		$	4.1
Restructuring expense incurred		0.2			1.4			1.6
Cash payments		(0.4	)		(1.4	)		(1.8	)
Balance at March 31, 2020		1.3			2.6			3.9

The following is a reconcilation of the accrued restructuring costs between January 1, 2019 and March 31, 2019.

	2017 Altra Plan			2019 Altra Plan			Total All Plans
Balance at January 1, 2019	$	2.0		$	—		$	2.0
Restructuring expense incurred		1.0			1.3			2.3
Cash payments		(1.5	)		(0.5	)		(2.0	)
Balance at March 31, 2019		1.5			0.8			2.3

Reconciliation of Restructuring Expense by Segment

The following is a reconciliation of restructuring expense by segment for the year to date period ended March 31, 2020.

	2017 Altra Plan		2019 Altra Plan		Total All Plans
Power Transmission Technologies	$	0.2	$	0.4	$	0.6
Automation & Specialty		—		1.0		1.0
Balance at March 31, 2020	$	0.2	$	1.4	$	1.6