Segments of Business (Details) $ in Millions	12 Months Ended
	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Segment Reporting [Abstract]
Reporting Segments Number	2
Segment Reporting Information [Line Items]
Sales including intersegment sales	$ 4,004.4	$ 4,071.4	$ 4,343.5
Operating Profit and Pretax Profit:
Operating Income (Loss)	409.3	409.6	407.7
Interest expense	60.2	51.7	60.8
Other non-operating (income) expense, net	(1.8)	(6.0)	(16.8)
Income from continuing operations before income taxes	350.9	363.9	363.7
Total assets	3,715.7	3,489.8	3,610.8
Restructuring and acquisition-related costs	28.6	12.1	0.0
Depreciation and amortization	162.1	158.1	180.6
Additions to property and equipment	208.3	219.4	185.2
Long-lived assets	$ 1,362.6	$ 1,267.8	1,187.0
Segment Reporting, Disclosure of Major Customers	0.11	0.12
USPackaging [Member]
Operating Profit and Pretax Profit:
Operating Income (Loss)	$ 400.0	$ 391.8	375.8
Total assets	2,007.7	1,982.5	1,977.9
Depreciation and amortization	93.7	97.8	96.3
Additions to property and equipment	131.2	127.5	105.5
GlobalPackaging [Member]
Operating Profit and Pretax Profit:
Operating Income (Loss)	114.0	116.5	113.3
Total assets	1,485.3	1,291.5	1,345.3
Restructuring and acquisition-related costs	26.6	9.4	0.0
Depreciation and amortization	54.1	47.7	62.1
Additions to property and equipment	69.7	79.4	51.0
Restructuring and acquisition-related costs [Member]
Operating Profit and Pretax Profit:
Operating Income (Loss)	28.6	12.1	0.0
GeneralCorporateExpenses [Member]
Operating Profit and Pretax Profit:
Operating Income (Loss)	76.1	86.6	81.4
Unallocated amount to segment
Operating Profit and Pretax Profit:
Total assets	222.7	215.8	287.6
Restructuring and acquisition-related costs	2.0	2.7	0.0
Depreciation and amortization	14.3	12.6	11.7
Additions to property and equipment	7.4	12.5	23.8
Discontinued Operations [Member]
Operating Profit and Pretax Profit:
Depreciation and amortization	0.0	0.0	10.5
Additions to property and equipment	0.0	0.0	4.9
Continuing Operations [Member]
Operating Profit and Pretax Profit:
Depreciation and amortization	162.1	158.1	170.1
Additions to property and equipment	208.3	219.4	180.3
UNITED STATES
Segment Reporting Information [Line Items]
Sales including intersegment sales	2,820.3	2,937.8	3,040.8
Operating Profit and Pretax Profit:
Long-lived assets	949.2	897.4	831.8
BRAZIL
Segment Reporting Information [Line Items]
Sales including intersegment sales	483.5	442.5	581.5
Operating Profit and Pretax Profit:
Long-lived assets	212.9	173.1	159.0
Other Americas [Member]
Segment Reporting Information [Line Items]
Sales including intersegment sales	244.6	273.5	273.2
Operating Profit and Pretax Profit:
Long-lived assets	44.1	53.1	55.7
Europe [Member]
Segment Reporting Information [Line Items]
Sales including intersegment sales	263.5	233.9	258.8
Operating Profit and Pretax Profit:
Long-lived assets	75.1	68.6	68.1
Asia Pacific [Member]
Segment Reporting Information [Line Items]
Sales including intersegment sales	192.5	183.7	189.2
Operating Profit and Pretax Profit:
Long-lived assets	81.3	75.6	72.4
Intersegment Eliminations [Member] | USPackaging [Member]
Segment Reporting Information [Line Items]
Sales including intersegment sales	(25.7)	(25.3)	(28.8)
Intersegment Eliminations [Member] | GlobalPackaging [Member]
Segment Reporting Information [Line Items]
Sales including intersegment sales	(20.1)	(21.7)	(24.8)
Operating Segments [Member] | USPackaging [Member]
Segment Reporting Information [Line Items]
Sales including intersegment sales	2,646.8	2,772.8	2,889.5
Operating Segments [Member] | GlobalPackaging [Member]
Segment Reporting Information [Line Items]
Sales including intersegment sales	$ 1,403.4	$ 1,345.6	$ 1,507.6