Quarterly report pursuant to Section 13 or 15(d)

Business and Basis of Presentation - Adoption of New Accounting Standard (Details)

v3.19.3
Business and Basis of Presentation - Adoption of New Accounting Standard (Details) - USD ($)
$ in Millions
Sep. 30, 2019
Jan. 01, 2019
Dec. 31, 2018
Assets      
Operating lease assets $ 6.9 $ 8.6 $ 0.0
Finance lease assets 0.5 0.6 0.0
Total lease assets 7.4 9.2 0.0
Current      
Operating 3.6 3.5 0.0
Noncurrent      
Operating 3.3 5.1 0.0
Finance 0.3 0.6 0.0
Total lease liabilities $ 7.4 9.2 $ 0.0
ASU 2016-02      
Assets      
Operating lease assets   8.6  
Finance lease assets   0.6  
Total lease assets   9.2  
Current      
Operating   3.5  
Noncurrent      
Operating   5.1  
Finance   0.6  
Total lease liabilities   $ 9.2