Restructuring Costs (Tables)

12 Months Ended

Dec. 31, 2017

Restructuring and Related Activities [Abstract]

Restructuring and Related Costs [Table Text Block]

The Company recorded the restructuring expenses associated with the 2013 Realignment Program in the segments as follows (in thousands):

	Year Ended December 31,
	2017		2016		2015
Surveillance	$	—	$	107	$	226
Instruments	23		492		1,170
Security	—		—		—
OEM & Emerging	—		65		(22		)
Detection	—		—		(13		)
	$	23	$	664	$	1,361

During the year ended December 31, 2017 and 2016, the Company also incurred other immaterial restructuring charges representing severance costs associated with cost reduction initiatives executed within the Security segment that were not related to the 2013 Realignment Program.

Restructuring expenses associated with the 2013 Realignment Program were recorded in the Consolidated Statements of Income as follows (in thousands):

	Year Ended December 31,
	2017		2016		2015
Restructuring expenses	$	23	$	664	$	1,361
	$	23	$	664	$	1,361

Note 20. Restructuring Costs - (Continued)

The following table summarizes the restructuring activity associated with the 2013 Realignment Program by cost type (in thousands):

	Severance			Facilities Exit, Lease Terminations & Other			Total
Balance, December 31, 2014	$	10,941		$	1,485		$	12,426
2015 restructuring costs	924			437			1,361
Utilization	(8,409		)	(1,601		)	(10,010		)
Balance, December 31, 2015	$	3,456		$	321		$	3,777
2016 restructuring expenses	642			22			664
Utilization	(2,257		)	(343		)	(2,600		)
Balance, December 31, 2016	$	1,841		$	—		$	1,841
2017 restructuring expenses	23			—			23
Utilization	(133		)	—			(133		)
Balance, December 31, 2017	$	1,731		$	—		$	1,731