The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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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.

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Amount of cash outflow reducing loss contingency liability.

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Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

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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