Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2016

Long-term Debt and Capital Lease Obligations [Abstract]

Schedule of Long-Term Debt

Long-term debt, principally to banks and bondholders, consists of:

(in thousands, except interest rates)	September 30, 2016		December 31, 2015
Private placement with a fixed interest rate of 6.84%, due 2017	$50,000		$50,000
Credit agreement with borrowings outstanding at an end of period interest rate of 2.53% in 2016 and 2.36% in 2015 (including the effect of interest rate hedging transactions, as described below)	425,000		215,000
Various notes and mortgages, at an average end of period rate of 5.50% in 2016 and 2015, due in varying amounts through 2021	84		96
Obligation under capital lease, matures 2022	16,381		-
Long-term debt	491,465		265,096
Less: current portion	(1,462	)	(16	)
Long-term debt, net of current portion	$490,003		$265,080

Schedule of Future Minimum Annual Capital Lease Obilgations

The following schedule presents future minimum annual lease payments under the capital lease obligation and the present value of the minimum lease payments, as of September 30, 2016.

Years ending December 31,	(in thousands)
2016		$674
2017		2,696
2018		2,743
2019		2,743
2020		2,790
Thereafter		5,628
Total minimum lease payments		17,274
Less:  Amount representing interest		(893	)
Present value of minimum lease payments		$16,381