Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Statement of Comprehensive Income [Abstract]
Net Earnings	$ 39,801	$ 43,720	$ 138,529	$ 134,467
Other Comprehensive (Loss) Income:
Foreign Currency Translation Adjustment	(303)	297	739	(715)
Total Other Comprehensive (Loss) Income	(303)	297	739	(715)
Comprehensive Income	$ 39,498	$ 44,017	$ 139,268	$ 133,752

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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