Commitments and Contingencies - Contingencies (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Loss Contingencies [Line Items]
Material purchase commitments	$ 0.0
Brinderson LP \| Pre-Acquisition Related Contingencies
Loss Contingencies [Line Items]
Contingency accrual	4.2	$ 6.0
Payments made on contingency matters	0.3
Loss contingency accrual, provision (reversal)	$ (1.5)

The minimum amount the entity agreed to spend under the long-term purchase commitment.

No definition available.

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

Amount of 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=82911808&loc=d3e14326-108349

+ Details

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- Definition

Amount of increase (decrease) in loss contingency liability.

+ References

+ Details

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- Definition

Amount of cash outflow reducing loss contingency liability.

+ References

+ Details

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- Details

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