Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2019

Debt Disclosure [Abstract]

Long-Term Debt Instrument

Long-term debt at March 31, 2019 and December 31, 2018 consisted of the following: 

(in thousands)	March 31, 2019			December 31, 2018
Current portion of long-term debt:
Current portion of 5-year term loan facility expires 2022	$	40,000		$	35,000
Current portion of 5-year term loan facility expires 2023	15,000			15,000
Total current portion of long-term debt	55,000			50,000
Long-term debt:
Note agreements:
4.200% senior notes, semi-annual interest payments, net of the unamortized discount, balloon due 2024	$	499,140		$	499,101
4.500% senior notes, semi-annual interest payments, net of the unamortized discount, balloon due 2029	349,443			—
Total notes	848,583			499,101
Credit agreements:
5-year term-loan facility, periodic interest and principal payments, LIBOR plus up to 1.750%, expires June 28, 2022	320,000			330,000
5-year revolving-loan facility, periodic interest payments, LIBOR plus up to 1.500%, plus commitment fees up to 0.250%, expires June 28, 2022	—			350,000
5-year term-loan facility, periodic interest and principal payments, LIBOR plus up to 1.750%, expires December 21, 2023	281,250			285,000
Total credit agreements	601,250			965,000
Debt issuance costs (contra)	(9,835		)	(7,111		)
Total long-term debt less unamortized discount and debt issuance costs	1,439,998			1,456,990
Current portion of long-term debt	55,000			50,000
Total debt	$	1,494,998		$	1,506,990