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Financial Instruments and Derivative Instruments - Fair Value on a Recurring Basis (Details) - Fair value measured on a recurring basis - USD ($) $ in Millions | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Assets |  |
Plan assets for deferred compensation | $ 2.4 | $ 2.6
Total assets | 4.7 | 9.1
Liabilities |  |
Plan liabilities for deferred compensation | 2.4 | 2.6
Redeemable financial instrument | 2.8 | 2.8
Total liabilities | 5.5 | 5.4
Interest Rate Swaps |  |
Assets |  |
Derivative outstanding | 2.3 | 6.5
Forward exchange contracts |  |
Liabilities |  |
Designated foreign currency hedges | 0.3 |
Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Assets |  |
Plan assets for deferred compensation | 2.4 | 2.6
Total assets | 2.4 | 2.6
Liabilities |  |
Plan liabilities for deferred compensation | 2.4 | 2.6
Total liabilities | 2.4 | 2.6
Significant Other Observable Inputs (Level 2) |  |
Assets |  |
Total assets | 2.3 | 6.5
Liabilities |  |
Total liabilities | 0.3 |
Significant Other Observable Inputs (Level 2) | Interest Rate Swaps |  |
Assets |  |
Derivative outstanding | 2.3 | 6.5
Significant Other Observable Inputs (Level 2) | Forward exchange contracts |  |
Liabilities |  |
Designated foreign currency hedges | 0.3 |
Significant Unobservable Inputs (Level 3) |  |
Liabilities |  |
Redeemable financial instrument | 2.8 | 2.8
Total liabilities | $ 2.8 | $ 2.8

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- Definition Carrying amount as of the balance sheet date of assets held under deferred compensation agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=117331979&loc=d3e41228-113958 + Details
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- Definition Fair value, after the effects of master netting arrangements, of a 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. Includes liabilities not subject to a master netting arrangement and not elected to be offset. + 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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611 Reference 3: 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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