Debt (Tables)

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Schedule of Debt

The components of our borrowings are as follows:

	December 31, 2018		December 31, 2017
	(in thousands)
Credit facilities
USD denominated term loan	$	637,813	$	194,063
Multicurrency revolving line of credit	—		125,414
Senior notes	400,000		300,000
Total debt	1,037,813		619,477
Less: current portion of debt	28,438		19,688
Less: unamortized prepaid debt fees - term loan	4,859		629
Less: unamortized prepaid debt fees - senior notes	16,331		5,588
Long-term debt	$	988,185	$	593,572

Schedule of Maturities of Long-term Debt

The amount of required minimum principal payments on our long-term debt in aggregate over the next five years, are as follows:

Year Ending December 31,	Minimum Payments
	(in thousands)
2019	$	28,438
2020	44,688
2021	60,937
2022	65,000
2023	438,750
Total minimum payments on debt	$	637,813

Schedule of Long-Term Debt Repayments

Total credit facility repayments were as follows:

	Year Ended December 31,
	2018		2017		2016
	(in thousands)
Term loan	$	12,187	$	14,063	$	11,250
Multicurrency revolving line of credit	351,172		15,000		67,869
Total credit facility repayments	$	363,359	$	29,063	$	79,119