Subsidiary Guarantees of Debt (Details 3) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jul. 01, 2012	Jul. 03, 2011
CONDENSED, CONSOLIDATING STATEMENT OF CASH FLOWS
Cash provided by (used in) continuing operating activities	$ 75.1	$ 163.1
Cash provided by (used in) discontinued operating activities	(0.4)	(1.9)
Total cash provided by (used in) operating activities	74.7	161.2
Cash flows from investing activities
Capital expenditures	(138.5)	(213.5)
Business acquisitions, net of cash acquired		(295.2)
Other, net	(16.2)	(0.6)
Cash provided by (used in) investing activities	(154.7)	(509.3)
Cash flows from financing activities
Long-term borrowings	1,269.8	537.5
Repayments of long-term borrowings	(959.4)	(141.7)
Net change in short-term borrowings	13.7	204.5
Proceeds from issuances of common stock	29.7	22.8
Acquisitions of treasury stock	(278.4)	(263.9)
Common dividends	(31.2)	(23.3)
Other, net	(9.7)	3.8
Cash provided by (used in) financing activities	34.5	339.7
Effect of exchange rate changes on cash	3.2	1.2
Change in cash and cash equivalents	(42.3)	(7.2)
Cash and cash equivalents - beginning of period	165.8	152.0
Cash and cash equivalents - end of period	123.5	144.8
Ball Corporation
CONDENSED, CONSOLIDATING STATEMENT OF CASH FLOWS
Cash provided by (used in) continuing operating activities	(61.8)	(100.2)
Total cash provided by (used in) operating activities	(61.8)	(100.2)
Cash flows from investing activities
Capital expenditures	(0.2)	(5.9)
Investments in and advances to affiliates		346.2
Other, net	(5.9)
Cash provided by (used in) investing activities	(6.1)	340.3
Cash flows from financing activities
Long-term borrowings	1,237.5	128.5
Repayments of long-term borrowings	(930.1)	(128.5)
Net change in short-term borrowings	20.0	20.4
Proceeds from issuances of common stock	29.7	22.8
Acquisitions of treasury stock	(278.4)	(263.9)
Common dividends	(31.2)	(23.3)
Other, net	(2.9)	3.8
Cash provided by (used in) financing activities	44.6	(240.2)
Effect of exchange rate changes on cash	0.5
Change in cash and cash equivalents	(22.8)	(0.1)
Cash and cash equivalents - beginning of period	24.0	0.2
Cash and cash equivalents - end of period	1.2	0.1
Guarantor Subsidiaries
CONDENSED, CONSOLIDATING STATEMENT OF CASH FLOWS
Cash provided by (used in) continuing operating activities	43.7	356.0
Cash provided by (used in) discontinued operating activities	(0.4)	(1.6)
Total cash provided by (used in) operating activities	43.3	354.4
Cash flows from investing activities
Capital expenditures	(47.0)	(77.9)
Investments in and advances to affiliates		(284.7)
Other, net	2.9	8.5
Cash provided by (used in) investing activities	(44.1)	(354.1)
Cash flows from financing activities
Long-term borrowings	0.1
Repayments of long-term borrowings	(0.1)	(0.2)
Cash provided by (used in) financing activities		(0.2)
Effect of exchange rate changes on cash	0.5
Change in cash and cash equivalents	(0.3)	0.1
Cash and cash equivalents - beginning of period	0.5	1.7
Cash and cash equivalents - end of period	0.2	1.8
Non-Guarantor Subsidiaries
CONDENSED, CONSOLIDATING STATEMENT OF CASH FLOWS
Cash provided by (used in) continuing operating activities	93.2	(92.7)
Cash provided by (used in) discontinued operating activities		(0.3)
Total cash provided by (used in) operating activities	93.2	(93.0)
Cash flows from investing activities
Capital expenditures	(91.3)	(129.7)
Business acquisitions, net of cash acquired		(295.2)
Investments in and advances to affiliates		(61.5)
Other, net	(13.2)	(9.1)
Cash provided by (used in) investing activities	(104.5)	(495.5)
Cash flows from financing activities
Long-term borrowings	32.2	409.0
Repayments of long-term borrowings	(29.2)	(13.0)
Net change in short-term borrowings	(6.3)	184.1
Other, net	(6.8)
Cash provided by (used in) financing activities	(10.1)	580.1
Effect of exchange rate changes on cash	2.2	1.2
Change in cash and cash equivalents	(19.2)	(7.2)
Cash and cash equivalents - beginning of period	141.3	150.1
Cash and cash equivalents - end of period	$ 122.1	$ 142.9