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Commitments And Contingencies (Tables)
 3 Months Ended
Mar. 31, 2019
Commitments and Contingencies Disclosure [Abstract]  
Environmental The following table summarizes environmental remediation activity during the three months ended March 31, 2019 and 2018.
 
2019

 
2018

Beginning balance – January 1

$555

 

$524

Reductions for payments made
(11
)
 
(7
)
Changes in estimates
4

 
22

Ending balance – March 31

$548

 

$539
Product Warranties The following table summarizes product warranty activity recorded during the three months ended March 31, 2019 and 2018.
 
2019

 
2018

Beginning balance – January 1

$1,127

 

$1,211

Additions for current year deliveries
50

 
70

Reductions for payments made
(8
)
 
(32
)
Changes in estimates
(60
)
 
(101
)
Ending balance – March 31

$1,109

 

$1,148
Financing Commitments The estimated earliest potential funding dates for these commitments as of March 31, 2019 are as follows:
  
Total

April through December 2019

$981

2020
3,429

2021
3,087

2022
1,784

2023
3,261

Thereafter
5,723

 

$18,265