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Schedule II - Valuation and Qualifying Accounts (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 29, 2018 | Dec. 30, 2017 | Dec. 31, 2016
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
Balance at beginning of period |  | $ 43.0 | $ 57.4 | $ 61.7
Charged to costs and expense |  | 80.6 | 99.2 | 124.9
Charged to other accounts |  | 0.0 | 0.0 | 0.0
Deductions |  | 88.7 | 113.6 | 129.2
Balance at end of period |  | 34.9 | 43.0 | 57.4
Allowance for doubtful accounts [Member] |  |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
Balance at beginning of period |  | 14.2 | 17.2 | 21.8
Charged to costs and expense |  | 13.0 | 18.1 | 23.6
Charged to other accounts |  | 0.0 | 0.0 | 0.0
Deductions | [1] | 17.7 | 21.1 | 28.2
Balance at end of period |  | 9.5 | 14.2 | 17.2
Allowance for sales returns [Member] |  |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
Balance at beginning of period |  | 12.6 | 16.3 | 16.3
Charged to costs and expense |  | 53.8 | 52.6 | 64.4
Charged to other accounts |  | 0.0 | 0.0 | 0.0
Deductions | [2] | 52.8 | 56.3 | 64.4
Balance at end of period |  | 13.6 | 12.6 | 16.3
Allowance for cash discounts [Member] |  |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
Balance at beginning of period |  | 4.7 | 5.9 | 6.3
Charged to costs and expense |  | 7.7 | 17.9 | 21.0
Charged to other accounts |  | 0.0 | 0.0 | 0.0
Deductions | [3] | 8.9 | 19.1 | 21.4
Balance at end of period |  | 3.5 | 4.7 | 5.9
Inventory valuation allowances [Member] |  |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
Balance at beginning of period |  | 11.5 | 18.0 | 17.3
Charged to costs and expense |  | 6.1 | 10.6 | 15.9
Charged to other accounts |  | 0.0 | 0.0 | 0.0
Deductions | [4] | 9.3 | 17.1 | 15.2
Balance at end of period |  | $ 8.3 | $ 11.5 | $ 18.0
[1] | Accounts charged off, net of recoveries.
[2] | Actual customer returns.
[3] | Discounts given to customers.
[4] | Adjustment upon disposal of related inventories.

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