INCOME TAXES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 25, 2021	Dec. 26, 2020	Dec. 28, 2019
Earnings before income taxes and equity in earnings of nonconsolidated subsidiaries
United States	$ 202,051	$ 169,281	$ 166,108
Foreign	58,032	23,487	33,750
Earnings before income taxes and equity in earnings of nonconsolidated subsidiaries	260,083	192,768	199,858
Current:
Federal	30,031	30,431	27,809
State	8,891	8,302	5,568
Foreign	20,644	12,730	13,130
Total	59,566	51,463	46,507
Non-current:	1,777	(451)	(240)
Deferred:
Federal	4,587	(6,086)	47
State	558	(822)	160
Foreign	(5,074)	5,511	1,279
Total	71	(1,397)	1,486
Total income tax expense (benefit)	$ (61,414)	$ (49,615)	$ (47,753)
Reconciliations of statutory federal income tax rate and effective tax rate
Statutory federal income tax rate	21.00%	21.00%	21.00%
State income taxes, net of federal benefit	2.90%	3.50%	2.50%
Carryforwards, credits and changes in valuation allowances	1.50%	(1.60%)	(1.00%)
Foreign tax rate differences	(0.10%)	(1.70%)	0.30%
Changes in unrecognized tax benefits	0.70%	0.20%	(0.10%)
Goodwill and intangible impairment	0.00%	2.40%	0.00%
Other	(2.40%)	1.90%	1.20%
Total	23.60%	25.70%	23.90%
Deferred income tax assets:
Accrued expenses and allowances	$ 21,241	$ 17,203
Tax credits and loss carryforwards	83,690	81,912
Defined benefit pension liability	134	30,623
Inventory allowances	2,818	0
Accrued compensation and benefits	24,302	23,545
Lease liabilities	41,128	23,715
Deferred compensation	10,893	13,883
Gross deferred income tax assets	184,206	190,881
Valuation allowance	(54,256)	(44,451)
Net deferred income tax assets	129,950	146,430
Deferred income tax liabilities:
Property, plant and equipment	37,686	35,701
Intangible assets	48,244	43,699
Inventory allowances	0	5,705
Lease assets	41,128	23,715
Other deferred tax liabilities	5,041	5,248
Total deferred income tax liabilities	132,099	114,068
Net deferred income tax asset (liability)	2,149
Net deferred income tax asset (liability)		32,362
Deferred income tax assets (liabilities), Balance Sheet Caption
Other assets	45,700	74,051
Deferred income taxes	(47,849)	(41,689)
Net deferred income tax asset (liability)		32,362
Net deferred income tax asset (liability)	2,149
Income tax benefits related to foreign taxes paid	(1,894)
Income tax expense due to nondeductible restructuring charges		1,100
Valuation allowance	5,102
Income tax expense due to nondeductible goodwill impairment		4,651
Tax credit and net operating loss carryforwards related to the defined benefit pension obligation	83,690	81,912
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Gross Unrecognized Tax Benefits beginning of year	1,864	2,300
Gross increases—tax positions in prior period	1,315	0
Gross decreases—tax positions in prior period	(6)	(1)
Gross increases—current‑period tax positions	240	398
Settlements with taxing authorities	0	(183)
Lapse of statute of limitations	(749)	(650)
Gross Unrecognized Tax Benefits end of year	2,664	1,864	$ 2,300
Uncertain tax positions for which reversal is reasonably possible during the next 12 months	406
Reduction of income tax expense, due to expiration of statutes of limitation	592	513
Accrued interest and penalties relating to unrecognized tax benefits	1,758	845
Unrecognized tax benefits that, if recognized, would affect effective tax rate	4,324	2,547
Valuation Allowance [Line Items]
Valuation allowance	54,256	$ 44,451
Denmark
Deferred income tax assets:
Valuation allowance	(5,102)
Valuation Allowance [Line Items]
Valuation allowance	5,102
Prospera
Deferred income tax assets:
Valuation allowance	(6,472)
Valuation Allowance [Line Items]
Valuation allowance	$ 6,472