13. Restructuring, Acquisition and Divestiture Related Costs

The following table summarizes restructuring, acquisition and divestiture related costs in the accompanying consolidated statements of operations (in thousands):

	Three Months Ended				Six Months Ended
	June 29,		June 30,		June 29,		June 30,
	2018		2017		2018		2017
2018 restructuring	$	988	$	—	$	988	$	—
2016 restructuring		—		153		—		186
2011 restructuring		—		10		—		14
Total restructuring and divestiture related charges		988		163		988		200
Acquisition and related charges		1,451		1,418		1,476		2,198
Total restructuring, acquisition and divestiture related costs	$	2,439	$	1,581	$	2,464	$	2,398

2018 Restructuring

During the second quarter of 2018, the Company initiated a program to integrate manufacturing operations as a result of recent acquisition activities. During the three months ended June 29, 2018, the Company recorded $1.0 million in severance and related costs in connection with the 2018 restructuring plan. These costs were reported in the Vision reportable segment.

2016 Restructuring

During the third quarter of 2015, the Company initiated the 2016 restructuring program, which included consolidating certain manufacturing operations to optimize its facility footprint and better utilize resources, and reducing redundant costs due to productivity cost savings and business volume reductions. As of June 29, 2018, the Company incurred cumulative costs related to this restructuring plan totaling $6.5 million. The plan was completed in 2017.

Rollforward of Accrued Expenses Related to Restructuring

The following table summarizes the accrual activities, by component, related to the Company’s restructuring plans recorded in the accompanying consolidated balance sheets (in thousands):

	Total			Severance			Facility			Other
Balance at December 31, 2017	$	806		$	39		$	763		$	4
Restructuring charges		988			945			—			43
Cash payments		(269	)		(38	)		(188	)		(43	)
Non-cash write-offs and other adjustments		(7	)		(7	)		—			—
Balance at June 29, 2018	$	1,518		$	939		$	575		$	4

Acquisition and Related Charges

Acquisition related costs in connection with business combinations, including finders’ fees, legal, valuation, and other professional or consulting fees, totaled $0.3 million for the three and six months ended June 29, 2018, respectively, and $1.4 million and $2.2 million for the three and six months ended June 30, 2017, respectively. Acquisition related costs recognized under earn-out agreements in connection with acquisitions totaled $1.1 million for the three and six months ended June 29, 2018, respectively. The majority of acquisition related costs for the three and six months ended June 29, 2018 were included in the Company’s Precision Motion reportable segment.