v3.26.1
PA Consulting Redeemable Noncontrolling Interests - Schedule of Change in Redeemable Noncontrolling Interest (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 27, 2026
Mar. 28, 2025
Mar. 27, 2026
Mar. 28, 2025
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]        
Redeemable noncontrolling interest, beginning balance     $ 7,098  
Attribution of Preferred Dividend to Common Shareholders $ (1,838) $ (1,160) (7,045) $ (3,469)
Redemption of redeemable noncontrolling interests relating to the PA Consulting Transaction     (883,623) $ (4,066)
Redeemable noncontrolling interest, ending balance (8,370)   (8,370)  
PA Consulting Employees        
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]        
Redeemable noncontrolling interest, beginning balance     1,018,694  
Accrued Preferred Dividend to Preference Shareholders     42,290  
Attribution of Preferred Dividend to Common Shareholders     (42,290)  
Net loss attributable to redeemable noncontrolling interests to Common Shareholders     (25,943)  
Redeemable Noncontrolling interests redemption value adjustment     129,413  
Repurchase of redeemable noncontrolling interests     (622)  
Cumulative translation adjustments and other     (2,125)  
Redemption of redeemable noncontrolling interests relating to the PA Consulting Transaction     (1,119,417)  
Redeemable noncontrolling interest, ending balance $ 0   $ 0