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Long-Term Debt and Financing Arrangements (Tables)
 6 Months Ended
Jun. 30, 2018
Debt Disclosure [Abstract]  
Schedule of Outstanding Debt

 

June 30,

 

 

December 31,

 

 

2018

 

 

2017

 

 

(in thousands except principal and interest payments)

 

 

 

 

 

 

 

 

 

 

 

 

Revolving line of credit

$

-

 

 

$

45,000

 

 

 

 

 

 

 

 

 

Secured Equipment Notes due on various dates in 2024 with monthly principal and interest payments between $403 and $83,000 commencing on various dates in 2017; interest is paid monthly at a fixed annual rate between 2.85% and 3.41%

 

12,691

 

 

 

13,586

 

 

 

 

 

 

 

 

 

Secured Equipment Notes due on various dates in 2023 with monthly principal and interest payments between $669 and $341,341 commencing on various dates in 2016, 2017 and 2018; interest is paid monthly at a fixed annual rate between 2.23% and 3.91%

 

91,077

 

 

 

36,981

 

 

 

 

 

 

 

 

 

Secured Equipment Notes due on various dates in  2022 with monthly principal and interest payments between $3,030 and $254,190 commencing on various dates from 2015 to 2017; interest is paid monthly at a fixed annual rate of between 2.16% and 2.87%

 

27,435

 

 

 

30,301

 

 

 

 

 

 

 

 

 

Secured Equipment Notes due on various dates in 2021 with monthly principal and interest payments between $1,940 and $352,655 commencing on various dates from 2014 to 2017; interest is paid monthly at a fixed annual rate between 2.04% and 2.96%

 

66,863

 

 

 

76,885

 

 

 

 

 

 

 

 

 

Secured Equipment Notes due on various dates in 2020 with monthly principal and interest payments between $3,614 and $398,496 commencing on various dates from 2013 to 2016; interest is paid monthly at a fixed annual rate between 1.72% and 2.78%

 

42,960

 

 

 

50,737

 

 

 

 

 

 

 

 

 

Secured Equipment Notes due on various dates in 2019 with monthly principal and interest payments between $1,594 and $325,050 commencing on various dates from 2013 to 2015; interest is paid monthly at a fixed annual rate between 1.79% and 2.62%

 

25,158

 

 

 

36,178

 

 

 

 

 

 

 

 

 

Secured Equipment Notes due on various dates in 2018 with monthly principal and interest payments between $6,480 and $163,428 commencing on various dates in 2013 and 2014; interest is paid monthly at a fixed annual rate between 2.05% and 2.7%

 

-

 

 

 

2,406

 

 

 

 

 

 

 

 

 

 

 

266,184

 

 

 

292,074

 

 

 

 

 

 

 

 

 

Less current portion

 

(86,740

)

 

 

(77,266

)

Total long-term debt

$

179,444

 

 

$

214,808