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Derivatives - Derivatives by Balance Sheet Location (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017 | Dec. 31, 2017
Derivatives, Fair Value [Line Items] |  |  |  |  |
Asset Derivatives | $ 7.4 |  | $ 7.4 |  | $ 6.8
Liability Derivatives | 14.7 |  | 14.7 |  | 14.4
Designated as Hedging Instrument [Member] |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Asset Derivatives | 7.1 |  | 7.1 |  | 6.7
Liability Derivatives | 14.7 |  | 14.7 |  | 14.4
Not Designated as Hedging Instrument [Member] |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Asset Derivatives | 0.3 |  | 0.3 |  | 0.1
Liability Derivatives | 0.0 |  | 0.0 |  | 0.0
Foreign exchange contracts [Member] | Designated as Hedging Instrument [Member] | Accounts receivable, net [Member] |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Asset Derivatives | 2.7 |  | 2.7 |  | 4.7
Foreign exchange contracts [Member] | Designated as Hedging Instrument [Member] | Other assets [Member] |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Asset Derivatives | 0.0 |  | 0.0 |  | 0.0
Foreign exchange contracts [Member] | Designated as Hedging Instrument [Member] | Accrued expenses [Member] |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Liability Derivatives | 2.5 |  | 2.5 |  | 0.2
Foreign exchange contracts [Member] | Designated as Hedging Instrument [Member] | Other liabilities [Member] |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Liability Derivatives | 12.2 |  | 12.2 |  | 14.2
Foreign exchange contracts [Member] | Not Designated as Hedging Instrument [Member] | Accounts receivable, net [Member] |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Asset Derivatives | 0.3 |  | 0.3 |  | 0.1
Foreign exchange contracts [Member] | Not Designated as Hedging Instrument [Member] | Accounts Payable [Member] |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Liability Derivatives | 0.0 |  | 0.0 |  | 0.0
Interest rate contracts [Member] | Designated as Hedging Instrument [Member] | Other assets [Member] |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Asset Derivatives | 4.4 |  | 4.4 |  | 2.0
Interest rate contracts [Member] | Designated as Hedging Instrument [Member] | Other liabilities [Member] |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Liability Derivatives | 0.0 |  | 0.0 |  | $ 0.0
Cash Flow Hedging [Member] |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax | (2.2) | $ (3.7) | 0.3 | $ (2.6) |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net | 0.8 | 0.6 | 1.6 | 0.4 |
Cash Flow Hedging [Member] | Interest rate contracts [Member] |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax | 0.8 | (0.5) | 3.0 | (0.8) |
Cash Flow Hedging [Member] | Sales [Member] | Foreign exchange contracts [Member] |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax | (3.1) | (0.4) | (2.7) | 1.5 |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net | 0.1 | (0.1) | 0.7 | (0.1) |
Cash Flow Hedging [Member] | Other Income Expense [Member] | Foreign exchange contracts [Member] |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax | 0.1 | (2.8) | 0.0 | (3.3) |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net | 0.2 | 1.0 | 0.0 | 1.2 |
Cash Flow Hedging [Member] | Interest Expense [Member] | Interest rate contracts [Member] |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net | $ 0.5 | $ (0.3) | $ 0.9 | $ (0.7) |

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- Definition Fair value, after offset of derivative liability, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226006-175313 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109980867&loc=d3e41678-113959 + Details
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- Definition Fair value, after offset of derivative asset, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109980867&loc=d3e41678-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226006-175313 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 + Details
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- Definition The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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