XML 58 R44.htm IDEA: XBRL DOCUMENT v3.10.0.1
Acquisitions - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Oct. 02, 2017
Jun. 30, 2018
Jun. 30, 2018
Sacramento Container Corporation      
Business Acquisition [Line Items]      
Acquisition completion date Oct. 02, 2017    
Cash purchase price $ 274.0    
Adjustment to final valuation of intangible assets   $ 5.5 $ 5.5
Decrease in other intangible assets with an offset to goodwill   $ (5.5) $ (5.5)
Maximum Acquisition period to finalize valuation   12 months  
Acquired finite-lived intangible assets, weighted average useful life 9 years 7 months 6 days    
Sacramento Container Corporation | Minimum      
Business Acquisition [Line Items]      
Property, plant and equipment useful life 1 year    
Sacramento Container Corporation | Maximum      
Business Acquisition [Line Items]      
Property, plant and equipment useful life 13 years    
Northern Sheets LLC And Central California Sheets LLC      
Business Acquisition [Line Items]      
Percentage of membership interests acquired 100.00%