Long-Term Debt and Financing Arrangements (Tables)

6 Months Ended

Jun. 30, 2016

	Period Ended
	June 30,			December 31,
	2016			2015

Secured Equipment Notes due on various dates in 2021 with monthly principal and interest payments between $0.01 million and $0.2 million commencing on various dates in 2016; interest is paid monthly at a fixed annual rate between 2.10% and 2.13%	$	13,274		$	-

Secured Equipment Notes due on various dates in 2020 with monthly principal and interest payments between $0.04 million and $0.4 million commencing on various dates in 2015 and 2016; interest is paid monthly at a fixed annual rate between 1.72% and 2.26%		55,004			61,206

Secured Equipment Notes due on various dates in 2019 with monthly principal and interest payments between $0.08 million and $0.4 million commencing on various dates in 2014 and 2015; interest is paid monthly at a fixed annual rate between 1.87% and 2.24%		58,460			67,486

Secured Equipment Notes due in June 2018 with quarterly principal and interest payments of $0.5 million commencing in August 2013; interest is paid quarterly at a fixed annual rate between 1.9% and 2.0%		3,660			4,612
		130,398			133,304

Less current portion		(35,430	)		(32,409	)
Total long-term debt	$	94,968		$	100,895