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Summary of Accounting Policies - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jul. 01, 2017 | Jun. 30, 2018 | Jul. 01, 2017
Revenue, Major Customer [Line Items] |  |  |  |
Cost of goods sold | $ 467.5 | $ 458.2 | $ 931.4 | $ 897.0
Operating income | 250.9 | 238.3 | 485.5 | 461.0
Operating expenses | 294.0 | 279.5 | 587.9 | 557.6
Other income (expense) – net | (0.6) | (1.9) | $ 2.2 | (4.3)
Revenue, performance obligation, term of contract |  |  | 12 months |
Franchise fee revenue | $ 4.2 | 3.4 | $ 8.1 | 6.9
Maximum |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenue, performance obligation, term of contract |  |  | 60 months |
Transferred at Point in Time | Ship and Bill Performance Obligations | Sales Revenue, Net |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Concentration risk, percentage |  |  | 90.00% |
Accounting Standards Update 2017-07 |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Cost of goods sold |  | 458.2 |  | 897.0
Operating expenses |  | 279.5 |  | 557.6
Other income (expense) – net |  | (1.9) |  | (4.3)
Accounting Standards Update 2017-07 | Restatement Adjustment |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Cost of goods sold |  | (0.2) |  | (0.5)
Operating income |  | 0.2 |  |
Operating expenses |  |  |  | (0.2)
Accounting Standards Update 2017-07 | Scenario, Previously Reported |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Cost of goods sold |  | 458.4 |  | 897.5
Operating expenses |  | 279.3 |  | 557.8
Other income (expense) – net |  | $ (1.9) |  | $ (3.6)

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