Fair Value Disclosure (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent		$ 106.0	$ 7.0
Asset Impairment Charges		33.9	1.3	$ 5.9
Fair Value, Measurements, Recurring [Member]
Assets
Available for sale equity securities		3.3	4.4
Fair Value, Measurements, Recurring [Member] | Designated as Hedging Instrument [Member]
Assets
Interest rate derivatives	[1]	1.8	1.8
Foreign Currency Cash Flow Hedge Asset at Fair Value	[2]	10.2
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value	[2]		9.7
Liabilities
Interest rate derivatives	[1]	1.2	5.9
Foreign Currency Fair Value Hedge Liability at Fair Value	[2]	0.2
Fair Value, Measurements, Recurring [Member] | Not Designated as Hedging Instrument [Member]
Assets
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value	[2]	0.8
Liabilities
Foreign exchange rate derivatives	[2]	(2.4)	(1.6)
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Assets
Available for sale equity securities		3.3	4.4
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Designated as Hedging Instrument [Member]
Assets
Interest rate derivatives	[1]	1.8	1.8
Foreign Currency Cash Flow Hedge Asset at Fair Value	[2]	10.2
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value	[2]		9.7
Liabilities
Interest rate derivatives	[1]	1.2	5.9
Foreign Currency Fair Value Hedge Liability at Fair Value	[2]	0.2
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Not Designated as Hedging Instrument [Member]
Assets
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value	[2]	0.8
Liabilities
Foreign exchange rate derivatives	[2]		(1.6)
Other Nonoperating Income (Expense) [Member] | Cash Flow Hedging [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Effective portion reclassified from accumulated other comprehensive loss		(6.9)	(2.1)	0.0
Other Expense [Member] | Not Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net		(6.1)	(11.4)	(0.6)
Other Expense [Member] | Aae Cargo Ag [Member] | Not Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net		$ 5.1	10.4
Cardinal Marine [Domain]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent		100.00%
Asset Impairment Charges		$ (19.0)
Nordic Vessels [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent		32.5
Asset Impairment Charges		(30.8)
Portfolio Management [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent		103.4
Asset Impairment Charges		31.0	(0.1)	$ 0.5
Portfolio Management [Member] | Cardinal Marine [Domain]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset Impairment Charges		(19.0)
Railcars [Member] | Changes Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset Impairment Charges		3.1
Gain (Loss) on Derivative Instruments [Member] | Other Nonoperating Income (Expense) [Member] | Cash Flow Hedging [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Effective portion reclassified from accumulated other comprehensive loss		$ 6.1	$ 2.1

[1] (1) Designated as hedges

[2] (2) Not designated as hedges