12. 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
	March 30,		March 31,
	2018		2017
2016 restructuring	$	—	$	33
2011 restructuring		—		4
Total restructuring and divestiture related charges		—		37
Acquisition and related charges		25		780
Total restructuring, acquisition and divestiture related costs	$	25	$	817

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 March 30, 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			Depreciation		Other
Balance at December 31, 2017	$	806		$	39		$	763		$	—	$	4
Restructuring charges		—			—			—			—		—
Cash payments		(129	)		(32	)		(97	)		—		—
Non-cash write-offs and other adjustments		—			—			—			—		—
Balance at March 30, 2018	$	677		$	7		$	666		$	—	$	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 less than $0.1 million and $0.8 million for the three months ended March 30, 2018 and March 31, 2017, respectively. The majority of acquisition related costs for the three months ended March 30, 2018 and March 31, 2017 were included in Unallocated Corporate and Shared Services costs.