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v3.19.3

Operating Segments (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2017
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues | $ 293,607 | $ 282,633 | $ 256,914 | $ 243,842 | $ 240,275 | $ 232,576 | $ 205,677 | $ 198,300 | $ 1,076,996 | $ 876,828 | $ 810,744
Cost of services |  |  |  |  |  |  |  |  | 894,893 | 726,866 | 670,246
Gross profit | 50,870 | $ 46,397 | $ 43,235 | $ 41,601 | 40,521 | $ 42,537 | $ 33,840 | $ 33,064 | 182,103 | 149,962 | 140,498
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 140,575 | 123,920 | 120,370
Contingent consideration |  |  |  |  |  |  |  |  | (374) | 103 | (145)
Loss (gain) on sale of assets |  |  |  |  |  |  |  |  | 52 | (15) | (69)
Operating income (loss) |  |  |  |  |  |  |  |  | 41,850 | 25,954 | 20,342
Depreciation and amortization |  |  |  |  |  |  |  |  | 9,557 | 8,860 | 9,634
Capital expenditures |  |  |  |  |  |  |  |  | 6,300 | 4,563 | 4,589
Total assets | 445,258 |  |  |  | 421,994 |  |  |  | 445,258 | 421,994 | 424,494
Commercial and Industrial [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 305,624 | 274,299 | 227,606
Cost of services |  |  |  |  |  |  |  |  | 275,722 | 244,656 | 208,619
Gross profit |  |  |  |  |  |  |  |  | 29,902 | 29,643 | 18,987
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 27,815 | 27,031 | 20,170
Contingent consideration |  |  |  |  |  |  |  |  | 0 | (100) | 0
Loss (gain) on sale of assets |  |  |  |  |  |  |  |  | (30) | (37) | (32)
Operating income (loss) |  |  |  |  |  |  |  |  | 2,117 | 2,749 | (1,151)
Depreciation and amortization |  |  |  |  |  |  |  |  | 2,563 | 2,197 | 1,648
Capital expenditures |  |  |  |  |  |  |  |  | 2,402 | 2,216 | 1,241
Total assets | 82,050 |  |  |  | 89,729 |  |  |  | 82,050 | 89,729 | 84,756
Communications [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 321,246 | 219,655 | 225,275
Cost of services |  |  |  |  |  |  |  |  | 264,746 | 179,518 | 187,419
Gross profit |  |  |  |  |  |  |  |  | 56,500 | 40,137 | 37,856
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 31,850 | 26,003 | 24,219
Contingent consideration |  |  |  |  |  |  |  |  | (97) | (85) | 0
Loss (gain) on sale of assets |  |  |  |  |  |  |  |  | (6) | (4) | (1)
Operating income (loss) |  |  |  |  |  |  |  |  | 24,753 | 14,223 | 13,638
Depreciation and amortization |  |  |  |  |  |  |  |  | 1,513 | 1,247 | 740
Capital expenditures |  |  |  |  |  |  |  |  | 973 | 647 | 2,046
Total assets | 109,263 |  |  |  | 80,528 |  |  |  | 109,263 | 80,528 | 63,917
Infrastructure Solutions [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 136,790 | 97,163 | 83,824
Cost of services |  |  |  |  |  |  |  |  | 105,863 | 75,337 | 63,399
Gross profit |  |  |  |  |  |  |  |  | 30,927 | 21,826 | 20,425
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 18,664 | 18,293 | 17,859
Contingent consideration |  |  |  |  |  |  |  |  | (277) | 288 | (145)
Loss (gain) on sale of assets |  |  |  |  |  |  |  |  | 105 | 18 | (79)
Operating income (loss) |  |  |  |  |  |  |  |  | 12,435 | 3,227 | 2,790
Depreciation and amortization |  |  |  |  |  |  |  |  | 4,528 | 4,672 | 6,412
Capital expenditures |  |  |  |  |  |  |  |  | 1,377 | 735 | 538
Total assets | 116,867 |  |  |  | 109,506 |  |  |  | 116,867 | 109,506 | 106,114
Residential [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 313,336 | 285,711 | 274,039
Cost of services |  |  |  |  |  |  |  |  | 248,562 | 227,355 | 210,809
Gross profit |  |  |  |  |  |  |  |  | 64,774 | 58,356 | 63,230
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 46,864 | 41,401 | 43,689
Contingent consideration |  |  |  |  |  |  |  |  | 0 | 0 | 0
Loss (gain) on sale of assets |  |  |  |  |  |  |  |  | (17) | 8 | 43
Operating income (loss) |  |  |  |  |  |  |  |  | 17,927 | 16,947 | 19,498
Depreciation and amortization |  |  |  |  |  |  |  |  | 852 | 637 | 565
Capital expenditures |  |  |  |  |  |  |  |  | 1,412 | 932 | 561
Total assets | 63,903 |  |  |  | 55,176 |  |  |  | 63,903 | 55,176 | 51,994
Corporate Segment [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 0 | 0 | 0
Cost of services |  |  |  |  |  |  |  |  | 0 | 0 | 0
Gross profit |  |  |  |  |  |  |  |  | 0 | 0 | 0
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 15,382 | 11,192 | 14,433
Contingent consideration |  |  |  |  |  |  |  |  | 0 | 0 | 0
Loss (gain) on sale of assets |  |  |  |  |  |  |  |  | 0 | 0 | 0
Operating income (loss) |  |  |  |  |  |  |  |  | (15,382) | (11,192) | (14,433)
Depreciation and amortization |  |  |  |  |  |  |  |  | 101 | 107 | 269
Capital expenditures |  |  |  |  |  |  |  |  | 136 | 33 | 203
Total assets | $ 73,175 |  |  |  | $ 87,055 |  |  |  | $ 73,175 | $ 87,055 | $ 117,713

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