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Summary of Accounting Policies - Other Accrued Liabilities (Detail) - USD ($) $ in Millions | Dec. 29, 2018 | Dec. 31, 2017 | Dec. 30, 2017
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Accounting Policies [Abstract] |  |  |
Income taxes | $ 34.4 |  | $ 41.6
Accrued warranty | 17.1 |  | 17.2
Deferred subscription revenue | 47.3 |  | 38.9
Accrued new tool return | 43.7 |  | 23.9
Accrued property, payroll and other taxes | 40.1 |  | 45.4
Accrued selling and promotion expense | 28.7 |  | 28.6
Accrued legal charges | 30.9 |  | 45.9
Other | 131.4 |  | 146.6
Total other accrued liabilities | $ 373.6 | $ 411.4 | $ 388.1

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