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

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-Publisher FASB
-Name Accounting Standards Codification
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Name:	us-gaap_LossContingencyEstimateOfPossibleLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Commitments and Contingencies Loss Contingency (Details) - USD ($) $ in Millions	May 22, 2017	Jun. 30, 2011	May 22, 2018
Georgia Department of Revenue [Member] \| Assessment of Sales and Use Tax [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value	$ 2.6	$ 73.8
Sparta Implied Covenant Counterclaim Loss Contingency [Member]
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss			$ 4.9