CAPITAL STOCK - Additional Information, Stock Option Valuation Assumptions (Detail) - USD ($) $ in Millions	12 Months Ended
Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate intrinsic value	$ 104.3	$ 143.7	$ 18.3
Stock options vesting period	4 years
Fair value assumption for stock options, historical volatility expected life	5 years 3 months
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options term	10 years
Stock options vesting period	4 years
Forfeiture rate	7.00%

Share Based Compensation Arrangement by Share Based Payment Award, Fair Value Assumptions, Historical Volatility Term

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- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, fair value Assumptions, US Treasury Securities Forfeiture Rate

+ References

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- Definition

Share Based Compensation Arrangement By Share based Payment Award Options, Outstanding Contractual Term

+ References

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(2)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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