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Commitment and Contingencies - Narratives (Details) - USD ($) $ in Millions | 1 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2016 | Jul. 27, 2019 | Jan. 26, 2019 | Oct. 29, 2016
Loss Contingencies [Line Items] |  |  |  |
Loss contingency, estimated loss |  |  |  | $ 13.0
Loss contingency accrual, payments | $ 0.1 |  |  |
Guarantor Obligations, Maximum Exposure, Undiscounted |  | $ 23.4 | $ 23.2 |
Letters of credit outstanding amount |  | 52.3 | 48.6 |
Standby Letters of Credit |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Letters of credit outstanding amount |  | 52.3 | 48.6 |
Performance Guarantee and Surety Bond [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Guarantor obligations, carrying value |  | $ 156.1 | $ 123.5 |

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- Definition The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=115931803&loc=d3e12069-110248 + Details
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- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=115931803&loc=d3e12069-110248 + Details
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- Definition Amount of cash outflow reducing loss contingency liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349 + Details
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