Reportable Segments - Schedule (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Segment Reporting Information [Line Items]
Revenue	$ 335,208	$ 326,738
Gross profit	94,524	93,176
Operating and other expenses	81,990	82,386
Income from continuing operations, before income taxes	12,534	10,790
Tech
Segment Reporting Information [Line Items]
Revenue	266,784	255,643
Gross profit	72,454	68,822
FA
Segment Reporting Information [Line Items]
Revenue	68,424	71,095
Gross profit	$ 22,070	$ 24,354

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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