Goodwill and Other Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
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	1,028.8	$ 949.5
Acquisitions and acquisition adjustments	0.1	63.2
Goodwill and Intangible Asset Impairment	(196.6)	0.0	$ 0.0
Non-cash impairment charge of discontinued operations	0.0	0.0	(3.2)
Currency translation	20.4	16.1
Reported balance at the end of the period	852.7	1,028.8	949.5
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	632.4	632.1
Acquisitions and acquisition adjustments	0.0	0.0
Goodwill and Intangible Asset Impairment	0.0
Currency translation	0.7	0.3
Reported balance at the end of the period	633.1	632.4	632.1
Latin America [Member]
Changes in the carrying amount of goodwill
Reported balance at the beginning of the period	189.0	169.1
Acquisitions and acquisition adjustments	0.0	(3.6)
Goodwill and Intangible Asset Impairment	(196.6)
Currency translation	7.6	23.5
Reported balance at the end of the period	0.0	189.0	169.1
Rest of World [Member]
Changes in the carrying amount of goodwill
Reported balance at the beginning of the period	207.4	148.3
Acquisitions and acquisition adjustments	0.1	66.8
Goodwill and Intangible Asset Impairment	0.0
Currency translation	12.1	(7.7)
Reported balance at the end of the period	$ 219.6	$ 207.4	$ 148.3