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v3.20.2

Debt Obligations - Other (Details) $ in Thousands |  |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 31, 2019 USD ($) | Dec. 20, 2019 | Dec. 19, 2019 USD ($) | Sep. 30, 2020 USD ($) item | Jun. 30, 2020 USD ($) | Mar. 31, 2020 USD ($) | Sep. 30, 2019 USD ($) | Jun. 30, 2019 USD ($) | Mar. 31, 2019 USD ($) | Sep. 30, 2020 USD ($) item | Sep. 30, 2019 USD ($)
Debt Obligations |  |  |  |  |  |  |  |  |  |  |
Outstanding balance | $ 226,483 |  |  | $ 222,570 |  |  |  |  |  | $ 222,570 |
Reconciliation of Credit Facility Adjusted EBITDA to net income |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  | 50,088 | $ 39,495 | $ 17,716 | $ 36,233 | $ 24,173 | $ 19,866 | 107,299 | $ 80,272
Income tax expense (benefit) |  |  |  | $ 8,279 |  |  | $ 12,473 |  |  | 30,100 | 26,339
Stock-based compensation |  |  |  |  |  |  |  |  |  | $ 5,949 | $ 4,861
Principal financial covenants |  |  |  |  |  |  |  |  |  |  |
Fixed charge coverage ratio |  |  |  | 2.00 |  |  |  |  |  | 2.00 |
Revolving credit facility |  |  |  |  |  |  |  |  |  |  |
Debt Obligations |  |  |  |  |  |  |  |  |  |  |
Borrowing capacity | 450,000 |  |  |  |  |  |  |  |  |  |
Payments of financing costs line of credit arrangements | 1,000 |  |  |  |  |  |  |  |  |  |
Outstanding borrowings |  |  |  | $ 61,500 |  |  |  |  |  | $ 61,500 |
Outstanding balance | 28,000 |  |  | 61,500 |  |  |  |  |  | 61,500 |
Letters of credit amount outstanding |  |  |  | 55,600 |  |  |  |  |  | 55,600 |
Credit available |  |  |  | $ 332,900 |  |  |  |  |  | $ 332,900 |
Principal financial covenants |  |  |  |  |  |  |  |  |  |  |
Number of interest rate options | item |  |  |  |  |  |  |  |  |  | 2 |
Leverage ratio |  |  |  | 0.8 |  |  |  |  |  | 0.8 |
Fixed charge coverage ratio |  |  |  | 6.6 |  |  |  |  |  | 6.6 |
Number of quarters of capital expenditures, tax provision, dividends and stock repurchase payments used for calculation of fixed charge coverage ratio | item |  |  |  |  |  |  |  |  |  | 4 |
Other disclosures |  |  |  |  |  |  |  |  |  |  |
Weighted average interest rate (as a percent) |  |  |  | 1.40% |  |  |  |  |  | 1.40% |
Revolving credit facility | Through maturity |  |  |  |  |  |  |  |  |  |  |
Principal financial covenants |  |  |  |  |  |  |  |  |  |  |
Leverage ratio |  |  |  | 3.00 |  |  |  |  |  | 3.00 |
Revolving credit facility | Minimum |  |  |  |  |  |  |  |  |  |  |
Principal financial covenants |  |  |  |  |  |  |  |  |  |  |
Fixed charge coverage ratio |  |  |  | 1.50 |  |  |  |  |  | 1.50 |
Debt Instrument, Interest Rate, Effective Percentage [Abstract] |  |  |  |  |  |  |  |  |  |  |
Letter of credit fees (as a percent) |  |  |  |  |  |  |  |  |  | 1.25% |
Commitment fees payable on unused portion of the facility (as a percent) |  |  |  |  |  |  |  |  |  | 0.20% |
Revolving credit facility | Minimum | Covenant Requirement |  |  |  |  |  |  |  |  |  |  |
Principal financial covenants |  |  |  |  |  |  |  |  |  |  |
Net leverage ratio used as basis for other restrictions |  |  |  | 2.50 |  |  |  |  |  | 2.50 |
Revolving credit facility | Maximum |  |  |  |  |  |  |  |  |  |  |
Principal financial covenants |  |  |  |  |  |  |  |  |  |  |
Permitted amount of acquisitions per transaction |  |  |  | $ 5,000 |  |  |  |  |  | $ 5,000 |
Aggregate purchase price of current acquisition and acquisitions in the preceding 12 month period for determining permitted amount of acquisition per transaction |  |  |  | 10,000 |  |  |  |  |  | $ 10,000 |
Debt Instrument, Interest Rate, Effective Percentage [Abstract] |  |  |  |  |  |  |  |  |  |  |
Letter of credit fees (as a percent) |  |  |  |  |  |  |  |  |  | 2.00% |
Commitment fees payable on unused portion of the facility (as a percent) |  |  |  |  |  |  |  |  |  | 0.35% |
Revolving credit facility | Base Rate | Consolidated Total Indebtedness to Credit Facility Adjusted EBITDA: Less than 1.00 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage [Abstract] |  |  |  |  |  |  |  |  |  |  |
Additional per annum interest margin (as a percent) |  |  |  |  |  |  |  |  |  | 0.25% |
Revolving credit facility | Base Rate | Consolidated Total Indebtedness to Credit Facility Adjusted EBITDA: 1.00 to 1.75 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage [Abstract] |  |  |  |  |  |  |  |  |  |  |
Additional per annum interest margin (as a percent) |  |  |  |  |  |  |  |  |  | 0.50% |
Revolving credit facility | Base Rate | Consolidated Total Indebtedness to Credit Facility Adjusted EBITDA: 1.75 to 2.50 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage [Abstract] |  |  |  |  |  |  |  |  |  |  |
Additional per annum interest margin (as a percent) |  |  |  |  |  |  |  |  |  | 0.75% |
Revolving credit facility | Base Rate | Consolidated Total Indebtedness to Credit Facility Adjusted EBITDA: 2.50 or greater |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage [Abstract] |  |  |  |  |  |  |  |  |  |  |
Additional per annum interest margin (as a percent) |  |  |  |  |  |  |  |  |  | 1.00% |
Revolving credit facility | Eurodollar Rate | Consolidated Total Indebtedness to Credit Facility Adjusted EBITDA: Less than 1.00 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage [Abstract] |  |  |  |  |  |  |  |  |  |  |
Additional per annum interest margin (as a percent) |  |  |  |  |  |  |  |  |  | 1.25% |
Revolving credit facility | Eurodollar Rate | Consolidated Total Indebtedness to Credit Facility Adjusted EBITDA: 1.00 to 1.75 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage [Abstract] |  |  |  |  |  |  |  |  |  |  |
Additional per annum interest margin (as a percent) |  |  |  |  |  |  |  |  |  | 1.50% |
Revolving credit facility | Eurodollar Rate | Consolidated Total Indebtedness to Credit Facility Adjusted EBITDA: 1.75 to 2.50 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage [Abstract] |  |  |  |  |  |  |  |  |  |  |
Additional per annum interest margin (as a percent) |  |  |  |  |  |  |  |  |  | 1.75% |
Revolving credit facility | Eurodollar Rate | Consolidated Total Indebtedness to Credit Facility Adjusted EBITDA: 2.50 or greater |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage [Abstract] |  |  |  |  |  |  |  |  |  |  |
Additional per annum interest margin (as a percent) |  |  |  |  |  |  |  |  |  | 2.00% |
Amended senior revolving credit facility |  |  |  |  |  |  |  |  |  |  |
Debt Obligations |  |  |  |  |  |  |  |  |  |  |
Borrowing capacity | 600,000 |  | $ 400,000 |  |  |  |  |  |  |  |
Repayment in terms of percentage of original aggregate principal amount |  | 3.75% | 1.25% |  |  |  |  |  |  |  |
Line of credit borrowing capacity accordion option | 150,000 |  |  |  |  |  |  |  |  |  |
Financing and professional cost | 1,400 |  |  |  |  |  |  |  |  |  |
Unamortized costs |  |  | $ 1,300 |  |  |  |  |  |  |  |
Term loan |  |  |  |  |  |  |  |  |  |  |
Debt Obligations |  |  |  |  |  |  |  |  |  |  |
Borrowing capacity | 150,000 |  |  |  |  |  |  |  |  |  |
Payments of financing costs term loan | 400 |  |  |  |  |  |  |  |  |  |
Outstanding balance | 150,000 |  |  | $ 135,000 |  |  |  |  |  | $ 135,000 |
Other disclosures |  |  |  |  |  |  |  |  |  |  |
Weighted average interest rate (as a percent) |  |  |  | 1.40% |  |  |  |  |  | 1.40% |
Notes to former owners |  |  |  |  |  |  |  |  |  |  |
Other disclosures |  |  |  |  |  |  |  |  |  |  |
Cumulative number of companies acquired | item |  |  |  | 4 |  |  |  |  |  | 4 |
Outstanding balance | 48,483 |  |  | $ 26,050 |  |  |  |  |  | $ 26,050 |
Promissory note | Walker |  |  |  |  |  |  |  |  |  |  |
Other disclosures |  |  |  |  |  |  |  |  |  |  |
Outstanding balance |  |  |  | $ 10,000 |  |  |  |  |  | $ 10,000 |
Weighted average interest rate (as a percent) |  |  |  | 4.00% |  |  |  |  |  | 4.00% |
Promissory note | TAS Energy |  |  |  |  |  |  |  |  |  |  |
Other disclosures |  |  |  |  |  |  |  |  |  |  |
Outstanding balance |  |  |  | $ 8,000 |  |  |  |  |  | $ 8,000 |
Weighted average interest rate (as a percent) |  |  |  | 3.50% |  |  |  |  |  | 3.50% |
Promissory note | Electrical Contractor North Carolina |  |  |  |  |  |  |  |  |  |  |
Other disclosures |  |  |  |  |  |  |  |  |  |  |
Outstanding balance |  |  |  | $ 8,000 |  |  |  |  |  | $ 8,000 |
Weighted average interest rate (as a percent) |  |  |  | 3.00% |  |  |  |  |  | 3.00% |
Promissory note | Two Immaterial Acquisitions |  |  |  |  |  |  |  |  |  |  |
Other disclosures |  |  |  |  |  |  |  |  |  |  |
Outstanding balance |  |  |  | $ 100 |  |  |  |  |  | $ 100 |
Promissory note | Minimum | Two Immaterial Acquisitions |  |  |  |  |  |  |  |  |  |  |
Other disclosures |  |  |  |  |  |  |  |  |  |  |
Weighted average interest rate (as a percent) |  |  |  | 3.00% |  |  |  |  |  | 3.00% |
Letter of Credit |  |  |  |  |  |  |  |  |  |  |
Debt Obligations |  |  |  |  |  |  |  |  |  |  |
Borrowing capacity | $ 160,000 |  |  |  |  |  |  |  |  |  |
Other debt |  |  |  |  |  |  |  |  |  |  |
Other disclosures |  |  |  |  |  |  |  |  |  |  |
Acquired debt |  |  |  | $ 20 |  |  |  |  |  | $ 20 |

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