Acquisition (Details) (USD $) Share data in Millions, unless otherwise specified	3 Months Ended	12 Months Ended		12 Months Ended		24 Months Ended
	Sep. 30, 2009	Dec. 31, 2009	Dec. 31, 2012 AustraliaAndNewZealandDistributors [Member]	Dec. 31, 2010 Alcan Packaging Food Americas [Member]	Dec. 31, 2009 Alcan Packaging Food Americas [Member]	Dec. 31, 2010 Alcan Packaging Food Americas [Member]	Mar. 01, 2010 Alcan Packaging Food Americas [Member]	Dec. 31, 2011 Shield Pack LLC [Member]	Aug. 01, 2011 Mayor Packaging [Member]
Business Acquisition [Abstract]
Cash consideration			$ 19,100,000				$ 1,210,500,000	$ 45,000,000	$ 96,700,000
Goodwill							353,300,000	24,900,000	42,600,000
Fair value of assets acquired								56,100,000	116,800,000
Fair value of liabilities assumed								11,600,000	20,100,000
Earnout payment recorded as compensation expense									13,000,000
Purchase price							1,217,600,000
Number of facilities acquired				23
Revenue reported by acquired entity for last annual period					1,400,000,000
Net sales of divested operations		156,000,000
Cost of acquired entity, liabilities incurred							7,100,000
Debt instrument increase	800,000,000
Stock issued	8.2
Acquisition related costs				15,600,000	43,800,000	59,400,000
Goodwill, expected tax deductible amount							308,500,000
Indemnification assets							17,900,000
Business Acquisition, Purchase Price Allocation [Abstract]
Cash and cash equivalents							22,100,000
Accounts receivable, net							145,900,000
Inventories							179,500,000
Prepaid expenses and other current assets							8,300,000
Working capital of discontinued operations							8,500,000
Property and equipment							458,800,000
Other intangible assets							130,300,000
Long-term assets of discontinued operations							64,000,000
Other long-term assets							19,700,000
Accounts payable							(125,700,000)
Accrued salaries and wages							(12,100,000)
Accrued income and other taxes							100,000
Deferred income taxes							(2,900,000)
Long-term liabilities							$ (32,200,000)