Revenue Recognition (Adoption of ASC 606) (Tables)

3 Months Ended

Mar. 31, 2018

Revenue from Contract with Customer [Abstract]

Schedule of Revenue from Contract with Customers

Revenues from contracts with customers consisted of the following:

	Three months ended
	March 31, 2018
	Western Hemisphere		Eastern Hemisphere		Asia-Pacific		Intercompany		Total
	(In thousands)
Product Revenues	$	42,436	$	19,865	$	8,744	$	—	$	71,045
Service Revenues	9,082		5,973		2,406		—		17,461
Total	$	51,518	$	25,838	$	11,150	$	—	$	88,506

Schedule of Contract Asset and Liability

Balances related to contracts with customers consisted of the following:

Contract Assets (amounts shown in thousands)

Contract Assets at December 31, 2017	$	41,825
Additions	48,676
Transfer to Accounts Receivable	(34,169		)
Contract Assets at March 31, 2018	$	56,332

Contract Liabilities (amounts shown in thousands)

Contract Liabilities at December 31, 2017	$	4,767
Additions	4,969
Revenue Recognized	(3,986		)
Contract Liabilities at March 31, 2018	$	5,750