Acquisition, Restructuring and Other Expense (Tables)

9 Months Ended

Sep. 30, 2018

Acquisition, Restructuring and Other Expense [Abstract]

Schedule of Acquisition, Restructuring and Other Expense

Acquisition, restructuring and other expense consists of the following:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Restructuring costs included in cost of sales	$	—	$	1,306	$	—	$	2,778
Business acquisition costs	$	1,073	$	128	$	1,073	$	1,020
Restructuring costs	—		—		—		1,347
Legal matters	—		327		—		17,041
Acquisition, restructuring and other expense included in selling and administrative expense	$	1,073	$	455	$	1,073	$	19,408
Impairment charges included in research and development expense	$	4,212	$	—	$	4,212	$	—