Product Warranties (Tables)

6 Months Ended

Jun. 30, 2018

Guarantees and Product Warranties [Abstract]

Product warranty activities were as follows:


	Six Months Ended June 30,
	2018			2017
Beginning of period	$	10,104		$	8,261
Provision for product warranties		8,484			7,555
Direct and other charges to warranty liability		(7,328	)		(6,084	)

End of period⁽¹⁾	$	11,260		$	9,732

⁽¹⁾

Short-term product warranty of $10,846 and long-term product warranty of $414 as of June 30, 2018, are included within other current liabilities and other liabilities, respectively, within the accompanying condensed consolidated balance sheet. Short-term product warranty of $9,293 and long-term product warranty of $439 as of June 30, 2017, are included within other current liabilities and other liabilities, respectively, within the accompanying condensed consolidated balance sheet.