Goodwill and Intangibles - Additional Information (Detail) - USD ($) $ in Thousands |
6 Months Ended | ||
|---|---|---|---|
Jun. 30, 2017 |
Jun. 30, 2016 |
Dec. 31, 2016 |
|
| Goodwill [Line Items] | |||
| Goodwill | $ 706,602 | $ 703,558 | |
| Amortization of all other intangibles | 3,300 | $ 3,200 | |
| Storage Solutions | |||
| Goodwill [Line Items] | |||
| Goodwill | 525,386 | 522,342 | |
| Storage Solutions | North America | |||
| Goodwill [Line Items] | |||
| Goodwill | 468,620 | 468,464 | |
| Storage Solutions | United Kingdom | |||
| Goodwill [Line Items] | |||
| Goodwill | 56,766 | 53,878 | |
| Tank & Pump Solutions Segment | |||
| Goodwill [Line Items] | |||
| Goodwill | $ 181,216 | $ 181,216 | |