Quarterly report pursuant to Section 13 or 15(d)

Business and Basis of Presentation Business and Basis of Presentation - Effect of Change in Accounting Principle (Details)

v3.10.0.1
Business and Basis of Presentation Business and Basis of Presentation - Effect of Change in Accounting Principle (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Cost of goods sold $ 249.1 $ 276.2 $ 710.9 $ 732.9
Selling, general and administrative expenses 49.5 49.0 146.5 152.1
Operating income (loss) 11.1 (29.2) 16.2 (26.5)
Other expense, net $ 0.9 1.0 $ 2.2 3.4
As Reported        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Cost of goods sold   276.8   735.1
Selling, general and administrative expenses   49.3   153.2
Operating income (loss)   (30.1)   (29.8)
Other expense, net   0.1   0.1
Accounting Standards Update 2017-07 | Impact of Adoption        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Cost of goods sold   (0.6)   (2.2)
Selling, general and administrative expenses   (0.3)   (1.1)
Operating income (loss)   0.9   3.3
Other expense, net   $ 0.9   $ 3.3