Debt and Financing Arrangements (Tables)

3 Months Ended

Mar. 31, 2017

Debt Disclosure [Abstract]

Summary of Reconciliation of Debt

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

	March 31, 2017		December 31, 2016
Credit Agreement with Banks, described below	$	65,183	$	—
Senior Notes under a Master Shelf Agreement, described      below		7,143		7,143
Capital Leases, described below		84,595		66,661
Total debt		156,921		73,804
Less: current portion of long-term debt		19,183		16,762
Long-term debt, less current portion	$	137,738	$	57,042

Schedule of Principal Maturities of Long-Term Debt

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

	Amount
2017	$	17,947
2018		14,405
2019		14,405
2020		79,588
2021		14,983
Thereafter		24,236
Total	$	165,564
Less: Amounts Representing Interest on Capital Leases		8,643
Total	$	156,921