Quarterly report pursuant to Section 13 or 15(d)

Property, Plant and Equipment - Additional Information (Details)

v3.19.1
Property, Plant and Equipment - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Property, Plant and Equipment [Abstract]    
Depreciation expense $ 10.3 $ 11.7