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Restructuring Charges (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Jan. 30, 2018
Restructuring Cost and Reserve [Line Items]
Assets Held-for-sale, Not Part of Disposal Group, Current	$ 3,500
Restructuring charges	3,245	$ 0
Restructuring Reserve [Roll Forward]
Restructuring charges	3,245	$ 0
2018 Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	3,245
Restructuring Reserve [Roll Forward]
Beginning balance	0
Restructuring charges	3,245
Payments for Restructuring	(1,584)
Restructuring Reserve, Settled without Cash	(670)
Ending balance	991
2018 Plan [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2,357
Restructuring Reserve [Roll Forward]
Beginning balance	0
Restructuring charges	2,357
Payments for Restructuring	(1,530)
Restructuring Reserve, Settled without Cash	0
Ending balance	827
2018 Plan [Member] | Restructuring Charges [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	0
Restructuring Costs and Asset Impairment Charges	888
Payments for Restructuring	(54)
Restructuring Reserve, Settled without Cash	(670)
Ending balance	164
2018 Plan [Member] | Other
Restructuring Cost and Reserve [Line Items]
Restructuring charges	3,000
Restructuring Reserve [Roll Forward]
Restructuring charges	3,000
2018 Plan [Member] | Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring charges	200
Restructuring Reserve [Roll Forward]
Restructuring charges	$ 200
Minimum [Member]
Restructuring Cost and Reserve [Line Items]
Company estimate of the aggregate restructuring cost			$ 2,000
Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Company estimate of the aggregate restructuring cost			$ 5,000

X

- Definition

Amount of assets held-for-sale that are not part of a disposal group, expected to be sold within a year or the normal operating cycle, if longer.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 15
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Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

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Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation.

+ References

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