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Derivative Financial Instruments - Additional Information (Detail) - Commodity Hedging Agreements [Member] - USD ($) | Aug. 08, 2017 | Jul. 02, 2017 | Jan. 01, 2017
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Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |
Notional amount of outstanding commodity derivative agreements |  | $ 36,376,000 | $ 13,146,000
Subsequent Event [Member] |  |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |
Notional amount of outstanding commodity derivative agreements | $ 59,600,000 |  |

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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