XML 71 R57.htm IDEA: XBRL DOCUMENT v3.10.0.1
Goodwill and Intangible Assets - Intangible Assets (Parenthetical) (Details) - Sacramento Container Corporation - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2018
Dec. 31, 2017
Oct. 31, 2017
Finite Lived Intangible Assets [Line Items]        
Other intangible assets $ 67.1 $ 67.1 $ 72.6  
Decrease in other intangible assets with an offset to goodwill (5.5) (5.5)    
Customer Relationships        
Finite Lived Intangible Assets [Line Items]        
Other intangible assets 61.9 61.9   $ 68.4
Trademarks and Trade Names        
Finite Lived Intangible Assets [Line Items]        
Other intangible assets $ 5.1 $ 5.1   4.1
Other Intangible Assets        
Finite Lived Intangible Assets [Line Items]        
Other intangible assets       $ 0.1