ACQUISITIONS (Details 2) (Alcan Packaging Food Americas, USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Mar. 02, 2010
Acquired finite-lived intangible assets
Amortization expense	$ 7,000,000	$ 9,100,000
Fair value			130,300,000
Customer relationships
Acquired finite-lived intangible assets
Useful life (in months or years)		20
Fair value			87,300,000
Technology based
Acquired finite-lived intangible assets
Useful life (in months or years)		15
Fair value			39,700,000
Order backlog
Acquired finite-lived intangible assets
Useful life (in months or years)		1
Fair value			$ 3,300,000