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Summary of Significant Accounting Policies - Additional Information (Detail) |  |  | 6 Months Ended |
--- | --- | --- | --- | ---
Jun. 26, 2017 USD ($) | Dec. 31, 2016 USD ($) shares | Jun. 30, 2017 USD ($) Facility | Jan. 01, 2017 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Number of facilities for manufacture and distribution of products | Facility |  |  | 4 |
Recovery of precious metals |  |  | $ 2,900,000 |
ASU No. 2016-09 [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Cumulative effect recorded as deferred tax asset |  |  |  | $ 1,100,000
Number of estimated forfeitures on outstanding equity awards | shares |  | 0 |  |
Accounting pronouncements adjustment on forfeiture |  | $ 0 |  |
Zena Energy L.L.C [Member] | B K V Chelsea L L C [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Purchase price receivable subject to customary pre-closing and post-closing adjustments | $ 16,300,000 |  |  |
Net proceeds from sale of oil and gas properties | $ 3,500,000 |  |  |
Zena Energy L.L.C [Member] | B K V Chelsea L L C [Member] | Plant, Property and Equipment [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Carrying value of asset sold |  | $ 20,000,000 |  |
Zena Energy L.L.C [Member] | B K V Chelsea L L C [Member] | Operating Other Expense [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Loss on sale of asset |  |  | $ 4,000,000 |

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