Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(12))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Section S99
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Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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The net result for the period of deducting operating expenses from operating revenues.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
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Segment Information (Details 2 and Textual) $ in Millions	3 Months Ended								12 Months Ended
Segment Information (Details 2 and Textual) $ in Millions	Dec. 31, 2016 USD ($)	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2016 USD ($) segment	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Segment Reporting [Abstract]
Number of principal business segments of Company \| segment									5
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 1,103.8	$ 1,111.7	$ 1,184.9	$ 1,187.9	$ 1,547.0	$ 1,542.2	$ 1,676.8	$ 1,626.7	$ 4,588.3	$ 6,392.7	$ 6,170.0
Total Assets	9,125.3				8,885.9				9,125.3	8,885.9	8,695.3
Operating profit	163.6	$ 183.6	$ 191.6	$ 203.4	358.0	$ 364.9	$ 382.9	$ 333.1	742.2	1,438.9	1,251.0
Mexico:
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									317.9	336.6	348.0
Total Assets	319.0				318.5				319.0	318.5
Long-Lived Assets	$ 195.5				$ 207.5				195.5	207.5
Operating profit									59.0	77.1	16.8
Mexico: \| External
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									118.9	106.0	130.4
Mexico: \| Intercompany
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									$ 199.0	$ 230.6	$ 217.6