Reportable Business Segment Information (Parenthetical) (Detail) (USD $) In Millions	3 Months Ended		6 Months Ended		3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended		1 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011 Corporate	Jun. 30, 2011 Corporate	Jun. 30, 2011 Metal Containers	Jun. 30, 2011 Metal Containers	Jun. 30, 2011 Closures	Mar. 01, 2011 Vogel & Noot Holding AG
Segment Reporting, Revenue Reconciling Item [Line Items]
Date of acquisition, VN operations										2011-03-01
Amortization of debt discount and issuance costs excluded from depreciation and amortization	$ 0.8	$ 0.6	$ 1.6	$ 1.3
Income as result of proceeds received from termination of the Graham Packaging merger agreement net of costs					27.0	25.2
Charge related to resolution of past product liability dispute							3.3	3.3
Charge included for the remeasurement of net assets									$ 3.2