Quarterly report pursuant to Section 13 or 15(d)

Revenue (Details)

v3.19.3
Revenue (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Disaggregation of Revenue [Line Items]        
Net sales $ 165.6 $ 208.9 $ 485.0 $ 574.4
United States        
Disaggregation of Revenue [Line Items]        
Net sales 125.1 163.8 371.0 450.3
China        
Disaggregation of Revenue [Line Items]        
Net sales 20.6 21.5 51.1 49.9
CANADA        
Disaggregation of Revenue [Line Items]        
Net sales 8.7 12.7 29.3 39.8
Other        
Disaggregation of Revenue [Line Items]        
Net sales $ 11.2 $ 10.9 $ 33.6 $ 34.4