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Acquisitions - Narrative (Detail) - USD ($) $ in Millions | Apr. 02, 2019 | Jan. 25, 2019 | Jan. 31, 2018 | Jun. 29, 2019 | Dec. 29, 2018 | Jun. 30, 2018
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Business Acquisition [Line Items] |  |  |  |  |  |
Goodwill |  |  |  | $ 907.0 | $ 902.2 |
TMB GeoMarketing Limited |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Cash purchase price of assets |  | $ 1.3 |  |  |  |
George A. Sturdevant, Inc. (d/b/a Fastorq) |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Goodwill |  |  |  |  |  | $ 2.6
Cash purchase price of assets |  |  | $ 3.0 |  |  |
Power Hawk Technologies Inc |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Cash purchase price of acquisition | $ 8.0 |  |  |  |  |
Goodwill |  |  |  | $ 6.9 |  |

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