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Subsequent Events (Details) - Subsequent Event
$ in Millions
Oct. 02, 2017
USD ($)
facility
Subsequent Event [Line Items]  
Acquisition completion date Oct. 02, 2017
Funding for purchase price from available cash on hand | $ $ 265
Number of full-line corrugated product operations | facility 2
Business combination, control obtained description On October 2, 2017, we completed the acquisition of the assets of Sacramento Container Corporation and 100% membership interests of Northern Sheets, LLC and Central California Sheets, LLC in a cash-free, debt-free transaction
Northern Sheets L L C And Central California Sheets L L C  
Subsequent Event [Line Items]  
Percentage of membership interests acquired 100.00%