GOODWILL AND INTANGIBLE ASSETS - Schedule of Activity and Balances Related to Goodwill by Operating Segment (Detail) $ in Thousands |
9 Months Ended |
---|---|
Sep. 30, 2016
USD ($)
| |
Goodwill [Roll Forward] | |
Goodwill, beginning balance | $ 118,976 |
Acquisitions | 923 |
Goodwill, ending balance | 119,899 |
Eastern Region | |
Goodwill [Roll Forward] | |
Goodwill, beginning balance | 17,429 |
Acquisitions | 0 |
Goodwill, ending balance | 17,429 |
Western Region | |
Goodwill [Roll Forward] | |
Goodwill, beginning balance | 87,503 |
Acquisitions | 923 |
Goodwill, ending balance | 88,426 |
Recycling | |
Goodwill [Roll Forward] | |
Goodwill, beginning balance | 12,315 |
Acquisitions | 0 |
Goodwill, ending balance | 12,315 |
Other | |
Goodwill [Roll Forward] | |
Goodwill, beginning balance | 1,729 |
Acquisitions | 0 |
Goodwill, ending balance | $ 1,729 |