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Business Segments, Property and Equipment Expenditures (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Property and equipment expenditures [Abstract] |  |  |
Total Capital Expenditures | $ 47.1 | $ 2.3 | $ 99.8
Property, Plant and Equipment, Additions | 209.0 | 153.7 | 316.0
Net capital expenditures | 161.9 | 151.4 | 216.2
Reportable Subsegments [Member] | Americas [Member] |  |  |
Property and equipment expenditures [Abstract] |  |  |
Total Capital Expenditures | 109.1 | 62.6 | 141.6
Reportable Subsegments [Member] | EMEA [Member] |  |  |
Property and equipment expenditures [Abstract] |  |  |
Total Capital Expenditures | 39.0 | 44.5 | 54.2
Reportable Subsegments [Member] | Asia Pacific [Member] |  |  |
Property and equipment expenditures [Abstract] |  |  |
Total Capital Expenditures | 25.4 | 20.3 | 16.1
LaSalle [Member] |  |  |
Property and equipment expenditures [Abstract] |  |  |
Total Capital Expenditures | 3.0 | 1.2 | 67.9
Corporate [Member] |  |  |
Property and equipment expenditures [Abstract] |  |  |
Total Capital Expenditures | $ 32.5 | $ 25.1 | $ 36.2

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- Definition The net cash outflow or inflow from purchases, sales and disposals of property, plant and equipment and other productive assets, including intangibles. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
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- Definition Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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