Intangibles and Other Assets (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Intangibles and Other Assets
Investments in affiliates	$ 33.2	$ 34.3	$ 33.2
Intangible assets (net of accumulated amortization)	137.1	118.4	137.1
Accumulated amortization	115.2	132.9	115.2
Capitalized software (net of accumulated amortization)	62.6	76.6	62.6
Accumulated amortization	103.8	115.6	103.8
Company and trust-owned life insurance	168.1	137.0	168.1
Deferred financing costs	36.3	79.7	36.3
Long-term deferred tax assets	66.5	59.6	66.5
Other	68.5	70.6	68.5
Intangibles and Other Assets	572.3	576.2	572.3
Amortization expense of intangible assets		38.2	$ 41.4	$ 38.6
Total annual intangible asset amortization expense
2016		40.0
2017		36.3
2018		32.0
2019		24.6
2020		21.3
Thereafter		$ 40.1
Operating Segments | Metal food & household products packaging
Intangibles and Other Assets
Provision for Doubtful Accounts	$ 16.5			$ 27.0