SHAREHOLDERS' EQUITY (Summary Of PSU Award Activity) (Details) - Performance Share Units (PSUs) - $ / shares	3 Months Ended	12 Months Ended
Mar. 28, 2020	Dec. 28, 2019
Shares
Unvested (in shares)	90,565
Granted (in shares)	42,677
Forfeited (in shares)	(16,558)
Unvested (in shares)	116,684	90,565
Weighted Average Fair Value at Grant Date
Unvested, weighted average fair value at grant date (in dollars per share)	$ 86.35
Granted, weighted average fair value at grant date (in dollars per share)	99.74
Forfeited, weighted average fair value at grant date (in dollars per share)	86.60
Unvested, weighted average fair value at grant date (in dollars per share)	$ 91.21	$ 86.35
Unvested, weighted average remaining contractual term	2 years 4 months 24 days	1 year 10 months 24 days

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ References

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-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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-Publisher FASB
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- Definition

Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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