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Commitments and Contingencies (Details) - USD ($) $ in Millions | 1 Months Ended |  |
--- | --- | --- | ---
Nov. 21, 2016 | Oct. 29, 2016 | Jul. 30, 2016
Loss Contingencies [Line Items] |  |  |
Loss Contingency, Estimate of Possible Loss |  | $ 13.0 |
Letters of credit outstanding amount |  | 57.6 |
Standby Letters of Credit |  |  |
Loss Contingencies [Line Items] |  |  |
Letters of credit outstanding amount |  | 57.6 | $ 57.6
Performance Guarantee and Surety Bond |  |  |
Loss Contingencies [Line Items] |  |  |
Outstanding performance and other surety contract bonds |  | $ 177.6 | $ 165.8
Subsequent Event [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Loss Contingency Accrual, Payments | $ 0.1 |  |

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248 + Details
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- Definition Amount of cash outflow reducing loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 + Details
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- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
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- Details
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