Restructuring, Asset Impairment, and Transition Expenses (Tables)

9 Months Ended

Sep. 30, 2017

Reconciliation of Accrued Restructuring Costs

The following is a reconciliation of the accrued restructuring costs between January 1, 2017 and September 30, 2017.

	2015 Plan			2017 Plan			Total All Plans
Balance at January 1, 2017	$	1,971		$	—		$	1,971
Restructuring expense incurred		3,145		631				3,776
Cash payments		(4,441	)		(88	)		(4,529	)
Balance at September 30, 2017	$	675		$	543		$	1,218

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 Period Ended
	September 30, 2017		September 30, 2016		September 30, 2017		September 30, 2016
Couplings, Clutches & Brakes	$	—	$	3,022	$	1,849	$	4,425
Electromagnetic Clutches & Brakes		—		169		—		1,276
Gearing		25		68		809		84
Corporate (1)		24		138		487		806
Total	$	49	$	3,397	$	3,145	$	6,591

(1) Certain expenses are maintained at the corporate level and not allocated to the segments. These include various administrative expenses related to corporate headquarters, depreciation on capitalized software costs, non-capitalizable software implementation costs and acquisition related expenses and non-cash partial pension settlements.

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 Period Ended
	September 30, 2017		September 30, 2016		September 30, 2017		September 30, 2016
Couplings, Clutches & Brakes	$	631	$	—	$	631	$	—
Electromagnetic Clutches & Brakes		—		—		—		—
Gearing		—		—		—		—
Corporate (1)		—		—		—		—
Total	$	631	$	—	$	631	$	—

(1) Certain expenses are maintained at the corporate level and not allocated to the segments. These include various administrative expenses related to corporate headquarters, depreciation on capitalized software costs, non-capitalizable software implementation costs and acquisition related expenses and non-cash partial pension settlements.