SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2019

Accounting Policies [Abstract]

Schedule of Estimated Useful Lives of Property and Equipment

Depreciation is computed using the straight-line method over the estimated useful lives of the assets, or, in the case of leasehold improvements, the lease term, if shorter.

Asset Category	Estimated Useful Lives
Capitalized software and computer equipment	2 to 3 Years
Furniture and other equipment	5 to 7 Years
Leasehold improvements	5 to 25 Years

	December 31,
	2019			2018
	(In thousands)
Capitalized software, leasehold improvements and equipment, net:
Capitalized software and computer equipment	$	105,956		$	59,521
Leasehold improvements	32,559			16,340
Furniture and other equipment	13,435			5,860
Projects in progress	19,638			25,611
Capitalized software, leasehold improvements and equipment	171,588			107,332
Accumulated depreciation and amortization	(68,227		)	(36,473		)
Capitalized software, leasehold improvements and equipment, net	$	103,361		$	70,859

Schedule of New Accounting Pronouncements and Changes in Accounting Principles

The following table presents the impact of the adoption of ASU No. 2014-09 by segment under Accounting Standards Codification ("ASC") 606, Revenue from Contracts with Customers, as reported, and ASC 605, Revenue Recognition, for the year ended December 31, 2018.

	Under ASC 606 (as reported)			Under ASC 605			Effect of adoption of ASU No. 2014-09
	(In thousands)
Revenue by segment:
North America	$	1,062,171		$	1,062,171		$	—
Europe	70,070			70,070			—
Total	$	1,132,241		$	1,132,241		$	—
Operating costs and expenses by segment:
North America	$	984,069		$	989,004		$	(4,935	)
Europe	84,266			84,271			(5		)
Total	$	1,068,335		$	1,073,275		$	(4,940	)
Operating income (loss) by segment:
North America	$	78,102		$	73,167		$	4,935
Europe	(14,196		)	(14,201		)	5
Total	$	63,906		$	58,966		$	4,940
Net earnings	$	77,507		$	73,792		$	3,715