Goodwill and Other Assets (Textuals) (Details) $ in Millions	3 Months Ended
Mar. 31, 2017 USD ($) segments	Mar. 31, 2016 USD ($)
Impairment of assets	$ 3.1	$ 0.0
Number of reportable segments \| segments	3
Amortization of internally-developed software	$ 9.6	3.2
Amortization	$ 39.4	$ 4.5
Americas Reporting Unit [Member] \| Services Segment [Member]
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount	80.00%
Asia Pacific Reporting Unit [Member] \| Services Segment [Member]
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount	70.00%

The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2420-110228

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Amount of expense for amortization of capitalized computer software costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128487-111756

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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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Percentage of fair value of reporting unit in excess of carrying amount.

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