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Segment Information and Enterprise Reporting - Analysis of Product Revenues Based upon Geographic Area Shipped (Detail) - USD ($) $ in Thousands | 3 Months Ended
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Apr. 02, 2016 | Apr. 04, 2015
Analysis of Product Revenues Based upon the Geographic Area Shipped |  |
Total product revenue | $ 163,290 | $ 147,357
Total product revenue, in percentage | 100.00% | 100.00%
North and South America | Reportable Geographical Components |  |
Analysis of Product Revenues Based upon the Geographic Area Shipped |  |
Total product revenue | $ 4,233 | $ 4,202
Total product revenue, in percentage | 2.60% | 2.90%
Europe, Middle East and Africa | Reportable Geographical Components |  |
Analysis of Product Revenues Based upon the Geographic Area Shipped |  |
Total product revenue | $ 31,970 | $ 24,061
Total product revenue, in percentage | 19.60% | 16.30%
Asia and Australia | Reportable Geographical Components |  |
Analysis of Product Revenues Based upon the Geographic Area Shipped |  |
Total product revenue | $ 13,582 | $ 11,818
Total product revenue, in percentage | 8.30% | 8.00%
United States | Reportable Geographical Components |  |
Analysis of Product Revenues Based upon the Geographic Area Shipped |  |
Total product revenue | $ 113,505 | $ 107,276
Total product revenue, in percentage | 69.50% | 72.80%

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