Debt and Financing Arrangements (Tables)

9 Months Ended

Sep. 30, 2017

Debt Disclosure [Abstract]

Summary of Reconciliation of Debt

At September 30, 2017 and December 31, 2016, debt consisted of the following (in thousands):

	September 30, 2017		December 31, 2016
Credit Agreement with Banks, described below	$	34,499	$	—
Senior Notes under a Master Shelf Agreement, described      below		3,571		7,143
Capital Leases, described below		89,163		66,661
Total debt		127,233		73,804
Less: current portion of long-term debt		17,072		16,762
Long-term debt, less current portion	$	110,161	$	57,042

Schedule of Principal Maturities of Long-Term Debt

The principal maturities of long-term debt instruments are as follows (in thousands):

	Amount
2017	$	7,578
2018		16,029
2019		16,029
2020		50,529
2021		16,607
Thereafter		29,270
Total		136,042
Less: Amounts Representing Interest on Capital Leases		8,809
Total	$	127,233