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Restructuring Charges - Activity and Reserve Balance for Restructuring Charges by Segment (Details) - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2018 | Dec. 31, 2017
Restructuring Reserve [Roll Forward] |  |
Restructuring reserve, beginning balance | $ 4.1 | $ 4.0
Restructuring charges | 7.6 | 17.9
Currency translation and other adjustments | (0.5) | (0.3)
Cash payments / utilization | (6.1) | (17.5)
Restructuring reserve, ending balance | 5.1 | 4.1
Americas |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring reserve, beginning balance | 0.5 | 0.9
Restructuring charges | 0.6 | 13.0
Currency translation and other adjustments | (0.2) | (0.2)
Cash payments / utilization | (0.6) | (13.2)
Restructuring reserve, ending balance | 0.3 | 0.5
International |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring reserve, beginning balance | 3.6 | 2.8
Restructuring charges | 3.5 | 4.9
Currency translation and other adjustments | (0.3) | (0.1)
Cash payments / utilization | (2.0) | (4.0)
Restructuring reserve, ending balance | 4.8 | 3.6
Corporate |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring reserve, beginning balance | 0.0 | 0.3
Restructuring charges | 3.5 | 0.0
Currency translation and other adjustments | 0.0 | 0.0
Cash payments / utilization | (3.5) | (0.3)
Restructuring reserve, ending balance | $ 0.0 | $ 0.0

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- Definition Restructuring Charges before Adjustments - Restructuring charges before any adjustments to the accrual. + References No definition available. + Details
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- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3536-108585 + Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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- Definition Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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