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Revenue Recognition - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2018 | Jul. 01, 2017 | Jun. 30, 2018 | Jul. 01, 2017 | Jan. 01, 2022 | Dec. 28, 2019 | Dec. 31, 2017 | Dec. 30, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |
Adjustment to retained earnings | $ (4,018.9) |  | $ (4,018.9) |  |  |  | $ (3,770.5) | $ (3,772.3)
Revenue, performance obligation, term of contract |  |  | 12 months |  |  |  |  |
Contractual obligation | 217.0 |  | $ 217.0 |  |  |  |  |
Contract with customer, liability | 60.4 |  | 60.4 |  |  |  | 49.4 |
Contract with customer, liability, revenue recognized |  |  | 31.2 |  |  |  |  |
Franchise fee revenue | $ 4.2 | $ 3.4 | $ 8.1 | $ 6.9 |  |  |  |
Accounting Standards Update 2014-09 |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |
Increase in inventory obsolescence reserve |  |  |  |  |  |  | 2.4 |
Adjustment to retained earnings |  |  |  |  |  |  | $ 2.4 |
Software Subscriptions, Extended Warranties and Other Subscription Agreements |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |
Revenue, performance obligation, term of contract |  |  | 12 months |  |  |  |  |
Ship-and-Bill Type Contracts |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |
Revenue, performance obligation, term of contract |  |  | 30 days |  |  |  |  |
Subscription Arrangement |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |
Revenue, performance obligation, term of contract |  |  | 12 months |  |  |  |  |
Transferred at Point in Time | Sales Revenue, Net | Ship and Bill Performance Obligations |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |
Concentration risk, percentage |  |  | 90.00% |  |  |  |  |
Maximum |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |
Revenue, performance obligation, term of contract |  |  | 60 months |  |  |  |  |
Capitalized contract cost, amortization period |  |  | 12 months |  |  |  |  |
Maximum | Software Subscriptions, Extended Warranties and Other Subscription Agreements |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |
Revenue, performance obligation, term of contract |  |  | 60 months |  |  |  |  |
Maximum | Ship-and-Bill Type Contracts |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |
Revenue, performance obligation, term of contract |  |  | 120 days |  |  |  |  |
Maximum | Subscription Arrangement |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |
Revenue, performance obligation, term of contract |  |  | 60 months |  |  |  |  |
Minimum | Software Subscriptions, Extended Warranties and Other Subscription Agreements |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |
Revenue, performance obligation, term of contract |  |  | 1 month |  |  |  |  |
Minimum | Subscription Arrangement |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |
Revenue, performance obligation, term of contract |  |  | 12 months |  |  |  |  |
Scenario, Forecast |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |
Revenue, remaining performance obligation, percentage of revenue recognized |  |  |  |  | 30.00% | 60.00% |  |

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