Restructuring, Asset Impairment, and Transition Expenses (Tables)

9 Months Ended

Sep. 30, 2018

Reconciliation of Accrued Restructuring Costs

The following is a reconciliation of the accrued restructuring costs between January 1, 2018 and September 30, 2018.

	2015 Altra Plan			2017 Altra Plan			Total All Plans
Balance at January 1, 2018	$	800		$	208		$	1,008
Restructuring expense incurred		—			2,119			2,119
Cash payments		(532	)		(1,971	)		(2,503	)
Balance at September 30, 2018	$	268		$	356		$	624

2015 Altra Plan [Member]

Summary of Total Restructuring Expense

The following table details restructuring charges incurred by segment for the periods presented under the 2015 Altra Plan.

	Quarter Ended				Year to Date Ended
	September 30, 2018		September 30, 2017		September 30, 2018		September 30, 2017
Couplings, Clutches & Brakes	$	—	$	—	$	—	$	1,849
Electromagnetic Clutches & Brakes		—		—		—		—
Gearing		—		25		—		809
Corporate		—		24		—		487
Total	$	—	$	49	$	—	$	3,145

2017 Altra Plan [Member]

Summary of Total Restructuring Expense

The following table details restructuring charges incurred by segment for the periods presented under the 2017 Altra Plan.

	Quarter Ended					Year to Date Ended
	September 30, 2018			September 30, 2017		September 30, 2018			September 30, 2017
Couplings, Clutches & Brakes	$	609		$	631	$	2,030		$	631
Electromagnetic Clutches & Brakes		—			—		—			—
Gearing		43			—		110			—
Corporate		(42	)		—		(21	)		—
Total	$	610		$	631	$	2,119		$	631