Acquisitions - Purchase Price Allocation (Detail) - USD ($) $ in Thousands |
Jun. 30, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Business Acquisition [Line Items] | ||
| Goodwill | $ 298,474 | $ 299,355 |
| Nestor Sales LLC (Preliminary) [Member] | ||
| Business Acquisition [Line Items] | ||
| Purchase price, net of cash acquired | 39,983 | |
| Accounts receivable | 9,230 | |
| Inventories | 12,067 | |
| Other current assets | 339 | |
| Property, plant and equipment, net | 1,251 | |
| Other assets | 752 | |
| Intangible assets | 16,930 | |
| Total assets acquired | 40,569 | |
| Accounts payable | 4,992 | |
| Accrued liabilities | 1,943 | |
| Deferred income taxes | 3,287 | |
| Other long-term liabilities | 76 | |
| Total liabilities assumed | 10,298 | |
| Goodwill | $ 9,712 |