Annual report pursuant to Section 13 and 15(d)

Inventories - Narrative (Details)

v3.10.0.1
Inventories - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Inventory Disclosure [Abstract]    
Change in accounting principle effect on inventory $ 3.0 $ 0.3