Product Warranties (Tables)

12 Months Ended

Dec. 31, 2017

Guarantees and Product Warranties [Abstract]

Product warranty activities were as follows:


	Years Ended December 31,
	2017			2016
Beginning balance	$	8,261		$	5,205
Product warranty liability from Newport Merger		—			3,040
Provisions for product warranties		15,884			8,858
Direct and other charges to warranty liability		(14,041	)		(8,842	)

Ending balance(1)	$	10,104		$	8,261

(1)

Short-term product warranty of $9,719 and long-term product warranty of $385, each as of December 31, 2017, are included within other current liabilities and other liabilities, respectively, within the accompanying consolidated balance sheet. Short-term product warranty of $8,200 and long-term product warranty of $61 as of December 31, 2016, are included within other current liabilities and other liabilities, respectively, within the accompanying consolidated balance sheet.