Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2019

Significant Accounting Policies

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

	Three Months Ended September 30,
	2019						2018
		ITPS		HS		LLPS		ITPS		HS		LLPS
United States	$	229,492	$	62,132	$	18,806	$	248,055	$	56,776	$	18,941
Europe		55,836		—		—		52,602		—		—
Other		6,651		—		—		6,656		—		—
Total	$	291,979	$	62,132	$	18,806	$	307,313	$	56,776	$	18,941

	Nine Months Ended September 30,
	2019						2018
		ITPS		HS		LLPS		ITPS		HS		LLPS
United States	$	718,936	$	186,915	$	54,217	$	782,870	$	171,722	$	65,476
Europe		186,337		—		—		146,242		—		—
Other		20,436		—		—		20,269		—		—
Total	$	925,709	$	186,915	$	54,217	$	949,381	$	171,722	$	65,476

Schedule of contract balances

	September 30,		December 31,
	2019		2018
Accounts receivable, net	$	260,438	$	270,812
Deferred revenues		17,782		16,940
Costs to obtain and fulfill a contract		24,212		18,624
Customer deposits		30,161		34,235

Schedule of estimated remaining fixed consideration for unsatisfied performance obligations

Estimated Remaining Fixed Consideration for Unsatisfied Performance Obligations
Remainder of 2019	$	17,335
2020		52,951
2021		42,443
2022		31,951
2023		27,775
2024 and thereafter		54,159
Total	$	226,614