Debt (Tables)

3 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

Schedule of Debt [Table Text Block]

The components of our borrowings were as follows:

	March 31, 2018		December 31, 2017
	(in thousands)
Credit facility:
USD denominated term loan	$	650,000	$	194,063
Multicurrency revolving line of credit	95,777		125,414
Senior notes	400,000		300,000
Total debt	1,145,777		619,477
Less: current portion of debt	16,250		19,688
Less: unamortized prepaid debt fees - term loan	5,912		629
Less: unamortized prepaid debt fees - senior notes	18,077		5,588
Long-term debt	$	1,105,538	$	593,572

Schedule of Maturities of Long-term Debt [Table Text Block]

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)
2018 (amount remaining at March 31, 2018)	$	12,188
2019	28,438
2020	44,777
2021	60,937
2022	65,000
2023	534,437
Total minimum payments on debt	$	745,777