Annual report pursuant to Section 13 and 15(d)

Acquisitions - Pro Forma Disclosure (Details)

v3.8.0.1
Acquisitions - Pro Forma Disclosure (Details) - Sovitec Mondial S.A. - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Business Acquisition    
Pro forma sales $ 1,489,957 $ 1,105,479
Pro forma net income (loss) $ 59,968 $ (77,720)