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Supplemental Cash Flow Information
12 Months Ended
Dec. 31, 2019
Supplemental Cash Flow Information [Abstract]  
Supplemental Cash Flow Information Supplemental Cash Flow Information

Supplemental cash flows and non-cash transactions were as follows for the periods indicated (in thousands):
 
Year Ended December 31,
 
2019
 
2018
 
2017
 
 
 
 
 
 
Cash paid for interest
$
1,005

 
$
273

 
$
296

Cash paid (received) for income taxes, net of refunds
13,330

 
1,848

 
(20,732
)
 
 
 
 
 
 
Non-cash transactions:
 
 
 
 
 
Change in accruals related to purchases of property, plant and equipment and intangibles
$
781

 
$
5,910

 
$
5,761

Insurance premium financed by note payable

 
6,798

 
5,125

Net transfers from inventory to property, plant and equipment
3,190

 
4,529

 
4,689