Goodwill and Other Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Goodwill
Amount of Carrying Value in Excess of Fair Value		$ 163.0
Changes in the carrying amount of goodwill
Reported balance at the beginning of the period	$ 852.7		$ 1,028.8
Acquisitions and acquisition adjustments		0.1
Goodwill and Intangible Asset Impairment	0.0	(196.6)	0.0
Non-cash impairment charge of discontinued operations		196.6
Currency translation	(7.5)	20.4
Reported balance at the end of the period	845.2	852.7
Goodwill, Impairment Loss, Net of Tax		145.5
USPackaging [Member]
Changes in the carrying amount of goodwill
Reported balance at the beginning of the period	633.1		632.4
Goodwill, Transfers		0.0
Non-cash impairment charge of discontinued operations		0.0
Currency translation	(0.8)	0.7
Reported balance at the end of the period	632.3	633.1
Latin America [Member]
Changes in the carrying amount of goodwill
Reported balance at the beginning of the period	0.0		189.0
Acquisitions and acquisition adjustments		0.0
Goodwill and Intangible Asset Impairment		(196.6)
Non-cash impairment charge of discontinued operations		196.6
Currency translation	0.0	7.6
Reported balance at the end of the period	0.0	0.0
GlobalPackaging [Member]
Changes in the carrying amount of goodwill
Goodwill, Transfers		0.1
Non-cash impairment charge of discontinued operations		0.0
Rest of World [Member]
Changes in the carrying amount of goodwill
Reported balance at the beginning of the period	219.6		$ 207.4
Currency translation	(6.7)	12.1
Reported balance at the end of the period	$ 212.9	$ 219.6