v3.26.1
Business Segments - Schedule of Financial Information by Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Apr. 03, 2026
Mar. 28, 2025
Apr. 03, 2026
Mar. 28, 2025
Segment Reporting Information [Line Items]        
Revenue $ 4,907,342 $ 4,279,298 $ 9,738,891 $ 8,831,384
Depreciation and amortization 132,200 117,100 258,114 230,263
Adjusted operating income 291,900 233,900 586,000 521,600
Reconciliation to Income Before Income Taxes:        
Unallocated corporate expenses (34,300) (29,100) (65,300) (59,200)
Amortization of acquisition- related intangible assets (33,300) (30,000) (65,400) (58,500)
Severance and other charges (5,500)   (5,500)  
Gains, losses and settlements impacting comparability 900 (600) (12,500) (12,500)
Interest Expense, net (82,241) (89,704) (164,160) (165,508)
Income Before Income Taxes 137,508 84,471 273,138 225,931
Amortization of intangible assets     65,400 58,500
Other Acquisitions        
Reconciliation to Income Before Income Taxes:        
Acquisition-related cost, expense       11,100
ARGENTINA        
Reconciliation to Income Before Income Taxes:        
Foreign currency transaction loss (900) 600 (400) 1,300
FSS United States        
Segment Reporting Information [Line Items]        
Revenue 3,430,300 3,056,400 6,792,400 6,357,400
Food and support services costs 967,500 854,900 1,915,600 1,796,300
Personnel costs 1,313,700 1,202,800 2,586,400 2,423,700
Other direct costs 815,400 718,100 1,621,200 1,524,800
Depreciation and amortization 77,700 70,900 152,700 139,600
Selling expenses 32,800 33,800 67,700 68,400
Adjusted operating income 223,200 175,900 448,800 404,600
Reconciliation to Income Before Income Taxes:        
Severance and other charges (5,500)   (5,500)  
Impairment of certain assets related to a business held-for-sale     6,100  
Amortization of intangible assets 25,100 24,200 50,300 48,100
FSS United States | Withdrawal from Multiemployer Defined Benefit Plan        
Segment Reporting Information [Line Items]        
Personnel costs     5,600  
FSS International        
Segment Reporting Information [Line Items]        
Revenue 1,477,000 1,222,900 2,946,500 2,474,000
Food and support services costs 391,900 324,000 789,400 664,600
Personnel costs 749,500 648,500 1,500,800 1,286,700
Other direct costs 238,300 171,000 464,800 362,800
Depreciation and amortization 21,000 15,900 39,800 31,700
Selling expenses 7,600 5,500 14,500 11,200
Adjusted operating income 68,700 58,000 137,200 117,000
Reconciliation to Income Before Income Taxes:        
Legal fees     1,300  
Amortization of intangible assets 8,200 $ 5,800 15,100 $ 10,500
FSS International | ARGENTINA        
Reconciliation to Income Before Income Taxes:        
Foreign currency transaction loss $ 900   $ 400