2017 ORNL Contract value

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- Definition

Contract milestone payments

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- Definition

UT-Battelle contract monthly revenue

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- Definition

UT-Battelle contract revenue current work

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- Definition

UT-Battelle contract revenue past work

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The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
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-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=6505190

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Current portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

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Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

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- Definition

The charge against earnings in the period for known or estimated future costs arising from requirements to perform environmental remediation activities.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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Contract Services and Advanced Technology Costs (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2015	Dec. 31, 2015
D&D Expense	$ 15.0
Decontamination and decommissioning obligations - total	38.9	$ 38.9
Decontamination and decommissioning obligations - current	28.3	28.3			$ 29.4
Decontamination and decommissioning obligations - long-term	10.6	10.6			$ 0.0
2017 ORNL Contract [Member] \| Scenario, Forecast [Member]
Contract value			$ 25.0
Contract monthly revenue			2.0
Contract milestone payments			$ 1.0
2016 ORNL Contract [Member]
Contract monthly revenue		2.7
Contract revenue current work		24.2
Contract revenue past work		8.1
2015 ORNL Contract [Member]
Contract monthly revenue				$ 6.9
Minimum [Member]
Decontamination and decommissioning obligations - total	38.9	38.9
Maximum [Member]
Decontamination and decommissioning obligations - total	$ 49.4	$ 49.4