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.

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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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Restructuring (Details) $ in Thousands	1 Months Ended	3 Months Ended	6 Months Ended
Restructuring (Details) $ in Thousands	May 31, 2017 employee	Jun. 30, 2017 USD ($)	Mar. 31, 2018 USD ($)
Restructuring Reserve [Roll Forward]
Restructuring Reserve			$ 1,656
Restructuring Reserve			636
Q3 2017 Restructuring
Restructuring Reserve [Roll Forward]
Restructuring Reserve			1,656
Payments			(1,103)
Foreign currency fluctuation			83
Restructuring Reserve			636
Restructuring Charges		$ 2,500
Employee Termination Costs \| Q3 2017 Restructuring
Restructuring Reserve [Roll Forward]
Restructuring Reserve			1,528
Payments			(971)
Foreign currency fluctuation			79
Restructuring Reserve			636
Restructuring Charges		2,300
Other \| Q3 2017 Restructuring
Restructuring Reserve [Roll Forward]
Restructuring Reserve			128
Payments			(132)
Foreign currency fluctuation			4
Restructuring Reserve			$ 0
Restructuring Charges		$ 200
UNITED STATES \| Q3 2017 Restructuring
Restructuring Reserve [Roll Forward]
Number of employees eliminated \| employee	10
FRANCE \| Q3 2017 Restructuring
Restructuring Reserve [Roll Forward]
Number of employees eliminated \| employee	8