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Restructuring Expenses	12 Months Ended
	Dec. 31, 2017
Restructuring and Related Activities [Abstract]
Restructuring Expenses	Restructuring Expenses On February 15, 2017, the Company announced its plan to reduce its workforce by approximately 100 full-time employees and close the Company’s Nashville, Tennessee and Slovenia facilities, which was concluded in fiscal year 2017. The total cost for the plan was $4.2 million, which includes employee severance cost of approximately $3.7 million, and facility-related costs of approximately $0.6 million. At December 31, 2017 the unpaid balance under this plan is $0.4 million related to facilities-related expenses. In the second quarter of 2016, the Company integrated its sales and field organizations in North America to better serve its customers which resulted in a reduction in headcount of 36 employees. Accordingly, the Company incurred approximately $1.7 million of restructuring expenses in the year ended December 31, 2016, based on agreements with terminated employees covering salary and benefit continuation. For the year ended December 31, 2016, the Company made payments of $1.7 million and the restructuring program was concluded.

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- References

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- Definition

The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4)
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.P.3)
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

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