Quarterly report pursuant to Section 13 or 15(d)

Revenue (Details)

v3.10.0.1
Revenue (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Disaggregation of Revenue [Line Items]        
Revenue, performance obligation, payment terms     30  
Net sales $ 309.7 $ 308.5 $ 873.6 $ 871.0
United States        
Disaggregation of Revenue [Line Items]        
Net sales 261.2   737.0  
Canada        
Disaggregation of Revenue [Line Items]        
Net sales 15.9   51.7  
CHINA        
Disaggregation of Revenue [Line Items]        
Net sales 21.5   49.9  
Other        
Disaggregation of Revenue [Line Items]        
Net sales $ 11.1   $ 35.0