Product Warranty (Tables)

9 Months Ended

Sep. 30, 2017

Product Warranty

Schedule of warranty obligation for accrued warranty expense

	Three months ended				Nine months ended
	September 30,				September 30,
(in thousands)	2017		2016		2017		2016
Balance at beginning of period	$	3,779	$	3,784	$	3,526	$	3,345
Provision		1,525		1,493		3,845		4,291
Claims paid/costs incurred		(1,499)		(1,542)		(3,626)		(3,916)
Foreign currency translation		73		(9)		133		6
Balance at end of period	$	3,878	$	3,726	$	3,878	$	3,726