Amount of net pension benefit obligation remaining underfunded.

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The amount of expected tax benefit associated with termination of pension plan.

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Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan.

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Amount, before tax, after reclassification adjustment, of increase (decrease) in accumulated other comprehensive income from gain (loss) of defined benefit plan.

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Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

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Amount of contribution received by defined benefit plan from employer which increases plan assets.

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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.

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Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

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Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement.

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Amount of (increase) decrease to benefit obligation of defined benefit plan from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Includes, but is not limited to, lump-sum cash payment to participant in exchange for right to receive specified benefits, purchase of nonparticipating annuity contract and change from remeasurement.

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Amount of noncash expense (reversal of expense) for pension benefits. Excludes other postretirement benefits.

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PENSION AND OTHER POSTRETIREMENT BENEFITS (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		6 Months Ended	12 Months Ended
	Aug. 31, 2018	Dec. 29, 2018	Jul. 02, 2016	Jun. 30, 2019	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Components of net periodic benefit cost (credit)
Recognized loss on settlement					$ (93.7)		$ (41.4)
ADPP
Defined Benefit Plans
Contribution to ADPP in August 2018 using commercial paper borrowings	$ 200.0				200.0
Noncash charges associated with termination settlement of the plan, net of tax		$ 85.0
Settlements		152.0	$ 70.0
Net pension benefit obligation remaining underfunded amount		57.0			57.0
Components of net periodic benefit cost (credit)
Recognized loss on settlement			(41.4)
ADPP \| Forecast
Defined Benefit Plans
Noncash charges associated with termination settlement of the plan, net of tax				$ 490.0
Expected tax benefit				190.0
Settlements				$ 792.0
U.S.
Defined Benefit Plans
Contribution to ADPP in August 2018 using commercial paper borrowings					233.9	$ 38.5
Settlements					173.1
Projected benefit obligations		868.5			868.5	1,082.1	1,033.7
Net actuarial loss (gain)					33.5	21.8	39.1
Components of net periodic benefit cost (credit)
Actuarial loss (gain)			$ 72.0		(13.2)	73.1
Int'l
Defined Benefit Plans
Contribution to ADPP in August 2018 using commercial paper borrowings					14.7	14.0
Settlements					9.5
Projected benefit obligations		$ 755.8			755.8	836.7	762.9
Net actuarial loss (gain)					(27.2)	(17.2)	$ 48.9
Components of net periodic benefit cost (credit)
Actuarial loss (gain)					$ (58.8)	$ (26.4)
Int'l \| Equity Securities
Defined Benefit Plans
Target assets allocation (as a percent)		32.00%			32.00%
Int'l \| Fixed income securities and cash
Defined Benefit Plans
Target assets allocation (as a percent)		44.00%			44.00%
Int'l \| Other investments
Defined Benefit Plans
Target assets allocation (as a percent)		24.00%			24.00%