Revenues (Tables)

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenues by Revenue Type and Geographic Region

The following table summarizes the Company’s product revenues disaggregated by revenue type for the years ended December 31, 2019, 2018, and 2017:


	Year Ended December 31,
	2019		2018		2017

	(In thousands)
Hardware and software	$	553,039	$	464,500	$	406,095
Consumables	88,876		89,529		88,100
Other	17,687		15,566		16,006
Total product revenues	$	659,602	$	569,595	$	510,201

The following table summarizes the Company’s revenues disaggregated by geographic region, which is determined based on customer location, for the years ended December 31, 2019, 2018, and 2017:


	Year Ended December 31,
	2019		2018		2017

	(In thousands)
United States	$	806,900	$	685,881	$	613,817

Rest of world ⁽¹⁾	90,127		101,428		98,897

Total revenues	$	897,027	$	787,309	$	712,714

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⁽¹⁾No individual country represented more than 10% of total revenues.

Contract Assets and Liabilities

The following table reflects the Company’s contract assets and contract liabilities:


	December 31,
	2019		2018

	(In thousands)
Short-term unbilled receivables ⁽¹⁾	$	11,707	$	9,191
Long-term unbilled receivables ⁽²⁾	12,260		16,481
Total contract assets	$	23,967	$	25,672

Short-term deferred revenues, net	$	90,894	$	81,835
Long-term deferred revenues	7,083		10,582
Total contract liabilities	$	97,977	$	92,417

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⁽¹⁾Included in accounts receivable and unbilled receivables in the Consolidated Balance Sheets.

⁽²⁾ Included in other long-term assets in the Consolidated Balance Sheets.