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Schedule II - Valuation and Qualifying Accounts (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jan. 02, 2021 | Dec. 28, 2019 | Dec. 29, 2018
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
Balance at beginning of period |  | $ 34.0 | $ 34.9 | $ 43.0
Charged to costs and expense |  | 80.3 | 77.5 | 80.6
Deductions |  | 71.7 | 78.4 | 88.7
Balance at end of period |  | 42.6 | 34.0 | 34.9
Allowance for doubtful accounts [Member] |  |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
Balance at beginning of period |  | 6.0 | 4.0 | 6.8
Charged to costs and expense |  | 9.7 | 5.1 | 2.8
Deductions | [1] | 9.0 | 3.1 | 5.6
Balance at end of period |  | 6.7 | 6.0 | 4.0
Allowance for sales returns [Member] |  |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
Balance at beginning of period |  | 11.4 | 13.6 | 12.6
Charged to costs and expense |  | 41.5 | 50.2 | 53.8
Deductions | [2] | 37.3 | 52.4 | 52.8
Balance at end of period |  | 15.6 | 11.4 | 13.6
Allowance for cash discounts [Member] |  |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
Balance at beginning of period |  | 9.3 | 9.0 | 12.1
Charged to costs and expense |  | 19.8 | 15.3 | 17.9
Deductions | [3] | 17.9 | 15.0 | 21.0
Balance at end of period |  | 11.2 | 9.3 | 9.0
Inventory valuation allowances [Member] |  |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
Balance at beginning of period |  | 7.3 | 8.3 | 11.5
Charged to costs and expense |  | 9.3 | 6.9 | 6.1
Deductions | [4] | 7.5 | 7.9 | 9.3
Balance at end of period |  | $ 9.1 | $ 7.3 | $ 8.3
[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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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column B)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column E)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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