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Property, Plant and Equipment - Property, Plant and Equipment (Detail) - USD ($) $ in Thousands | Dec. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Property, Plant and Equipment [Line Items] |  |
Total | $ 212,261 | $ 194,165
Less-accumulated depreciation and amortization | (119,569) | (105,729)
Property, plant and equipment, net | 92,692 | 88,436
Buildings [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Total | 32,623 | 29,450
Machinery, Equipment and Tooling [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Total | 97,701 | 87,175
Furniture, Fixtures and Leasehold Improvements [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Total | 4,319 | 4,248
Software and Computer Equipment [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Total | $ 77,618 | $ 73,292

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- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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