Warranty Liability (Tables)

6 Months Ended

Jun. 30, 2015

Warranty Liability

Schedule of rollforward of Company's warranty liability

	Three Months Ended				Six Months Ended
	June 30,		June 30,		June 30,		June 30,
	2015		2014		2015		2014
Balance at the beginning of the period	$	5,188	$	2,930	$	6,279	$	3,808
Warranty provision		1,133		1,359		1,781		1,818
Claims paid/settlements		(680)		(655)		(2,419)		(1,992)
Balance at the end of the period	$	5,641	$	3,634	$	5,641	$	3,634