Accumulated Other Comprehensive Income (Loss) - Changes in AOCI (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Accumulated other comprehensive income (loss)
Beginning balance	$ 949,944	$ 932,775
Reclassifications to:
Cost of Sales	139,741	133,713
Interest Expense	3,144	2,764
Ending balance	939,798	940,111
Accumulated Other Comprehensive Loss
Accumulated other comprehensive income (loss)
Beginning balance	(5,294)	(2,033)
OCI (loss)	(11,082)	(2,485)
Income taxes	1,842	677
Reclassifications to:
Net OCI (loss)	(9,465)	(2,515)
Ending balance	(14,759)	(4,548)
Accumulated Other Comprehensive Loss | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassifications to:
Revenue	(78)	(194)
Cost of Sales	104	82
Interest Expense	(251)	(595)
Cash Flow Hedges
Accumulated other comprehensive income (loss)
Beginning balance	218	3,522
OCI (loss)	(6,957)	(1,870)
Income taxes	1,849	663
Reclassifications to:
Net OCI (loss)	(5,333)	(1,914)
Ending balance	(5,115)	1,608
Cash Flow Hedges | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassifications to:
Revenue	(78)	(194)
Cost of Sales	104	82
Interest Expense	(251)	(595)
Foreign Currency Translation
Accumulated other comprehensive income (loss)
Beginning balance	(5,512)	(5,555)
OCI (loss)	(4,125)	(615)
Income taxes	(7)	14
Reclassifications to:
Net OCI (loss)	(4,132)	(601)
Ending balance	$ (9,644)	$ (6,156)