Acquistions - Pro Forma Financial Information (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Business Combinations [Abstract]
Pro forma net sales	$ 825,891	$ 760,772
Pro forma income (loss) from continuing operations	(252,268)	3,227
Pro forma net income (loss)	$ (252,268)	$ 140,915
Basic income (loss) from continuing operations per share (in us dollars per share)	$ (7.96)	$ 0.12
Diluted income (loss) from continuing operations per share (in us dollars per share)	$ (7.96)	$ 0.12
Costs expensed not considered ongoing		$ 15,000

Business Combination, Costs Expensed Not Considered Ongoing

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- Definition

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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- Definition

The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

+ Details

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- Definition

Amount after tax of pro forma income from continuing operations as if the business combination had been completed at the beginning of a period.

+ References

+ Details

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

+ Details

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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

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- References

No definition available.

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