Quarterly report pursuant to Section 13 or 15(d)

Reserve for Product Warranties (Details)

v3.7.0.1
Reserve for Product Warranties (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Reserve for Product Warranties        
Balance, beginning of period $ 12,721 $ 10,577 $ 10,670 $ 10,386
Assumed through acquisitions 0 0 1,166 0
Additions charged to expense 2,902 1,383 5,708 2,312
Reductions (1,484) (1,102) (3,405) (1,840)
Balance, end of period $ 14,139 $ 10,858 $ 14,139 $ 10,858