Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2019

Significant Accounting Policies

Schedule of disaggregates revenue from contracts by geographic region and by segment

	Three Months Ended March 31,
	2019						2018
		ITPS		HS		LLPS		ITPS		HS		LLPS
United States	$	250,908	$	61,343	$	17,842	$	269,939	$	58,632	$	22,598
Europe		66,678		—		—		35,283		—		—
Other		6,994		—		—		6,715		—		—
Total	$	324,580	$	61,343	$	17,842	$	311,937	$	58,632	$	22,598

Schedule of contract balances

	March 31,		December 31,
	2019		2018
Accounts receivable, net	$	278,064	$	270,812
Deferred revenues		20,322		16,940
Costs to obtain and fulfill a contract		21,964		18,624
Customer deposits		28,410		34,235

Schedule of estimated remaining fixed consideration for unsatisfied performance obligations

Estimated Remaining Fixed Consideration for Unsatisfied Performance Obligations
Remainder of 2019	$	29,108
2020		23,170
2021		14,412
2022		5,389
2023		1,785
2024 and thereafter		820
Total	$	74,684