Nature of Business and Summary of Significant Accounting Policies (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended			0 Months Ended	9 Months Ended						3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Apr. 20, 2011 Common Stock	Dec. 31, 2011 Common Stock	Dec. 31, 2012 Minimum	Dec. 31, 2012 Joint Venture with Rengo Riverwood	Dec. 31, 2012 Graphic Hung Hing Packaging (Shanghai) Co., Ltd.	Dec. 31, 2012 Graphic Flexible Packaging, LLC (GFP)	Sep. 30, 2012 Graphic Flexible Packaging, LLC (GFP)	Dec. 31, 2012 Stockholders [Member] Secondary Public Offering [Member]
Significant Accounting Policies [Line Items]
Ownership percentage							50.00%
Parent's ownership percentage	100.00%							60.00%	87.00%	87.00%
Property, Plant and Equipment
Spending threshold for capitalization of interest						$ 1.0
Capitalized interest	2.2	1.5	1.1
Research and development expense	16.1	16.0	12.8
Proceeds from Issuance or Sale of Equity [Abstract]
Common stock issued in public offering (in shares)				52,500,000							18,500,000
Sale of Stock, Price Per Share											$ 6.10
Stock Repurchased During Period, Shares											49,200,000
Common stock repurchased and retired (in dollars per shares)											$ 6.10
Common stock issued in public offering, Par value (in dollars per share)	$ 0.01	$ 0.01
Common stock issued in public offering, amount per share (in dollars per share)				$ 4.75
Net Proceeds from Issuance of Common Stock	0	237.7	0	237.7
Proceeds from offering used to repurchase and retire shares					$ 32.9
Common stock repurchased and retired (in shares)					7,300,000