v3.26.1
EQUITY - Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Jun. 27, 2026
Mar. 28, 2026
Dec. 27, 2025
Jun. 28, 2025
Mar. 29, 2025
Dec. 28, 2024
Jun. 27, 2026
Jun. 28, 2025
AOCI Attributable to Parent, Net of Tax [Roll Forward]                
Equity beginning balance $ (286.5) $ (500.6) $ (357.5) $ (290.1) $ (479.5) $ (390.6) $ (357.5) $ (390.6)
Other comprehensive income (loss) before reclassifications (10.0)     5.7     (7.0) 6.6
Amounts reclassified from accumulated other comprehensive net income (loss) 8.5     (8.0)     14.0 (7.7)
Income tax benefit (expense) 0.5     3.5     (3.4) 0.9
Total other comprehensive income (loss) (1.0) 1.2 3.5 1.2 (4.0) 2.5 3.6 (0.2)
Equity ending balance (208.7) (286.5) (500.6) (170.9) (290.1) (479.5) (208.7) (170.9)
Accumulated Other Comprehensive Income (Loss)                
AOCI Attributable to Parent, Net of Tax [Roll Forward]                
Equity beginning balance (105.0) (106.2) (109.7) (108.8) (104.8) (107.3) (109.7) (107.3)
Total other comprehensive income (loss) (1.0) 1.2 3.5 1.2 (4.0) 2.5    
Equity ending balance (106.0) (105.0) (106.2) (107.5) (108.8) (104.8) (106.0) (107.5)
Foreign Currency Translation Adjustments                
AOCI Attributable to Parent, Net of Tax [Roll Forward]                
Equity beginning balance (11.9)   (12.2) (26.1)   (21.3) (12.2) (21.3)
Other comprehensive income (loss) before reclassifications (4.1)     6.2     (3.8) 1.3
Amounts reclassified from accumulated other comprehensive net income (loss) 0.0     0.0     0.0 0.0
Income tax benefit (expense) 0.0     0.0     0.0 0.0
Total other comprehensive income (loss) (4.1)     6.2     (3.8) 1.3
Equity ending balance (16.0) (11.9)   (19.9) (26.1)   (16.0) (19.9)
Net Unrealized Gain (Loss) On Derivative Instruments                
AOCI Attributable to Parent, Net of Tax [Roll Forward]                
Equity beginning balance 1.1   0.3 5.3   4.9 0.3 4.9
Other comprehensive income (loss) before reclassifications (3.6)     0.1     (0.5) 5.9
Amounts reclassified from accumulated other comprehensive net income (loss) (1.1)     (2.0)     (3.1) (7.1)
Income tax benefit (expense) 1.2     0.5     0.9 0.3
Total other comprehensive income (loss) (3.5)     (1.4)     (2.7) (0.9)
Equity ending balance (2.3) 1.1   3.9 5.3   (2.3) 3.9
Net Unrealized Gain (Loss) On Securities                
AOCI Attributable to Parent, Net of Tax [Roll Forward]                
Equity beginning balance (18.2)   (17.9) (14.4)   (14.4) (17.9) (14.4)
Other comprehensive income (loss) before reclassifications (2.3)     (0.6)     (2.7) (0.6)
Amounts reclassified from accumulated other comprehensive net income (loss) 7.9     0.0     7.9 0.0
Income tax benefit (expense) 0.0     0.0     0.0 0.0
Total other comprehensive income (loss) 5.6     (0.6)     5.2 (0.6)
Equity ending balance (12.7) (18.2)   (15.0) (14.4)   (12.7) (15.0)
Pension and Other Post-Retirement Benefit Adjustments                
AOCI Attributable to Parent, Net of Tax [Roll Forward]                
Equity beginning balance (76.0)   $ (79.9) (73.6)   $ (76.5) (79.9) (76.5)
Other comprehensive income (loss) before reclassifications 0.0     0.0     0.0 0.0
Amounts reclassified from accumulated other comprehensive net income (loss) 1.7     (6.0)     9.2 (0.6)
Income tax benefit (expense) (0.7)     3.0     (4.3) 0.6
Total other comprehensive income (loss) 1.0     (3.0)     4.9 0.0
Equity ending balance $ (75.0) $ (76.0)   $ (76.5) $ (73.6)   $ (75.0) $ (76.5)