Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer.

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Period Type:	instant

Litigation (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Jun. 30, 2018	Jul. 31, 2017	Aug. 31, 2016
Litigation [Abstract]
Loss Contingency, Estimate of Possible Loss			$ 5,500	$ 3,600
Accrued Environmental Loss Contingencies, Current	$ 3,600	$ 3,600