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Commitments And Contingencies (Tables)
 6 Months Ended
Jun. 30, 2018
Commitments and Contingencies Disclosure [Abstract]  
Environmental
The following table summarizes environmental remediation activity during the six months ended June 30, 2018 and 2017.
 
2018

 
2017

Beginning balance – January 1

$524

 

$562

Reductions for payments made
(8
)
 
(23
)
Changes in estimates
18

 
(19
)
Ending balance – June 30

$534

 

$520
Product Warranties
The following table summarizes product warranty activity recorded during the six months ended June 30, 2018 and 2017.
 
2018

 
2017

Beginning balance – January 1

$1,211

 

$1,414

Additions for current year deliveries
130

 
126

Reductions for payments made
(72
)
 
(125
)
Changes in estimates
(140
)
 
(109
)
Ending balance – June 30

$1,129

 

$1,306
Financing Commitments
The estimated earliest potential funding dates for these commitments as of June 30, 2018 are as follows:
  
Total

July through December 2018

$880

2019
2,357

2020
3,857

2021
2,675

2022
1,083

Thereafter
8,208

 

$19,060