EMPLOYEE BENEFIT PLANS - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 26, 2020	Dec. 25, 2021	Dec. 26, 2020	Dec. 28, 2019	Sep. 30, 2020
Defined Benefit Plan Disclosure [Line Items]
Benefit obligations	$ 367,468	$ 372,599	$ 367,468	$ 447,409
Fair value of plan assets	324,752	335,631	324,752	357,181
Employer contributions to participants within plan assets		11,221	34,092
Net periodic benefit cost (income)		$ 4,886	7,277	4,022
Deferral period		3 years
Maximum annual contributions per employee, percent		10.00%
Period of highest consecutive years of compensation		5 years
Costs associated with deferred compensation plan and executive supplemental life insurance retirement plans		$ 4,300	5,700	2,500
Cash surrender value of life insurance policies	43,827	51,048	43,827
Change in projected benefit obligation based on sensitivity		$ 17,000
Sensitivity of expected rate of return on plan assets, percent change		0.50%
Sensitivity of change in expected rate of return, annual pension expense amount		$ 1,700
Decrease in benefit obligations from new morality improvement scales		500	7,800
Expected employer contributions in next fiscal year		200
Accumulated benefit obligation	1,300	1,000	1,300
Costs associated with employee savings plan		24,000	14,600	19,100
Executive Officer
Defined Benefit Plan Disclosure [Line Items]
Costs associated with deferred compensation plan and executive supplemental life insurance retirement plans			8,100
Settlement charges related to pension losses			2,100
U.K. Plan
Defined Benefit Plan Disclosure [Line Items]
Employer contributions to participants within plan assets		8,300
U.K. Plan | Defined Benefit Plan, Funding Status
Defined Benefit Plan Disclosure [Line Items]
Employer contributions to participants within plan assets		39,600
Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Benefit obligations					$ 93,800
Fair value of plan assets					$ 93,000
Employer contributions to participants within plan assets	800	9,100
Non-cash settlement charge related to pension losses, reclassified from AOCI to other expense			10,300
Net periodic benefit cost (income)		500	1,600	$ 1,500
Employer contributions to participants outside of plan assets		2,100
Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	63,465	$ 60,872	63,465
Target asset allocation percentage		20.70%
Fixed Income Securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	99,188	$ 140,082	99,188
Target asset allocation percentage		13.80%
Other Securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 68,263	$ 45,646	$ 68,263
Target asset allocation percentage		65.50%