Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Net Income	$ 22,833	$ 31,054	$ 53,831	$ 35,929
Other comprehensive income (loss), net of tax
Cash flow hedge adjustments, net of taxes of $205 and $573 for the three and months ended March 31, 2019 and 2018, respectively	369	(1,801)	1,019	14
Foreign currency translation adjustment, net of taxes of $0 for all periods	2,838	(17,687)	1,246	(2,290)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	0	4	6	5
Other comprehensive (loss) income, net of taxes	3,207	(19,484)	2,271	(2,271)
Comprehensive (Loss) Income	26,040	11,570	56,102	33,658
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax	(116)	569	322	4
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax	0	0	0	0
Other Comprehensive (Income) Loss, Other Adjustments, Tax	$ 0	$ 0	$ 0	$ 0