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Management Actions (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2017	Mar. 31, 2017	Dec. 31, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		$ 8,018
Restructuring Costs and Asset Impairment Charges		$ 961
Approximate time anticipated savings will offset the restructuring charge	1 year	1 year
Restructuring Reserve [Roll Forward]
Restructuring Charges, net of noncash expenses			$ 9,558
Cash Payments			(6,312)
Foreign currency adjustments			(190)
Restructuring Reserve ending balance	$ 3,436		$ 3,436
Selling, General and Administrative Expenses
Restructuring Reserve [Roll Forward]
Restructuring Charges, net of noncash expenses	$ 2,501

X

- Definition

The approximate length of time the anticipated savings realized as a result of this restructuring action will offset the restructuring charge.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes all non-cash expenses related to a restructuring action.

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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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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.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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Amount of foreign currency translation gain (loss) which decreases (increases) the restructuring reserve.

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