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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2020
Summary of Significant Accounting Policies  
Schedule of cash paid

Cash paid (in thousands) for:

Year Ended December 31,

 

    

2020

    

2019

    

2018

 

Interest

$

7,684

$

8,817

$

3,743

Income taxes, net of refunds

$

51,286

$

45,288

$

33,401

Schedule of activity in allowance for credit losses

Activity in our allowance for credit losses consisted of the following (in thousands):

Year Ended December 31,

2020

Service

Construction

Other

Total

Balance at beginning of year

$

3,192

$

3,400

$

315

$

6,907

Impact of new accounting standard

310

331

54

695

Bad debt expense (benefit)

2,566

2,697

(10)

5,253

Deductions for uncollectible receivables written off, net of recoveries

(1,431)

(735)

(2,166)

Credit allowance of acquired companies on the acquisition date

335

335

Reclass to other current liabilities

(315)

(315)

Balance at December 31, 2020

$

4,637

$

6,028

$

44

$

10,709

Year Ended December 31,

    

2019

 

Balance at beginning of year

$

5,898

Bad debt expense (benefit)

 

2,978

Deductions for uncollectible receivables written off, net of recoveries

 

(3,924)

Credit allowance of acquired companies on the acquisition date

 

1,955

Balance at December 31, 2019

$

6,907