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Exit and Disposal Activities - Recorded Costs Associated with Exit and Disposal Activities (Detail) - USD ($) | 3 Months Ended | 6 Months Ended
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Jul. 02, 2016 | Jul. 04, 2015 | Jul. 02, 2016 | Jul. 04, 2015
Restructuring Cost and Reserve [Line Items] |  |  |  |
Exit and disposal costs | $ 900,000 | $ 0 | $ 900,000 | $ 0
Cost of Goods Sold [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Exit and disposal costs | 800,000 |  | 800,000 |
Operating Expenses [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Exit and disposal costs | $ 100,000 |  | $ 100,000 |

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- Definition Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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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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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_OperatingExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |