CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
REVENUES
Customer services	$ 480,461	$ 433,555	$ 889,203	$ 808,802
COSTS AND EXPENSES
Cost of services provided	230,772	204,480	436,915	393,643
Depreciation and amortization	16,366	13,547	33,282	27,317
Sales, general and administrative	143,379	129,667	269,866	244,821
Gain on sale of assets, net	(308)	(88)	(364)	(113)
Interest expense / (income), net	75	(190)	133	(263)
INCOME BEFORE INCOME TAXES	90,177	86,139	149,371	143,397
PROVISION FOR INCOME TAXES	24,635	32,450	35,304	49,438
NET INCOME	$ 65,542	$ 53,689	$ 114,067	$ 93,959
NET INCOME PER SHARE - BASIC AND DILUTED (in dollars per share)	$ 0.30	$ 0.25	$ 0.52	$ 0.43
DIVIDENDS PAID PER SHARE (in dollars per share)	$ 0.14	$ 0.115	$ 0.28	$ 0.23
Weighted average participating shares outstanding - basic and diluted (in share)	218,188	218,002	218,175	217,987

Aggregate dividends paid during the period for each share of common stock outstanding.

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