v3.25.2
Restructuring and Other Impairments (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Restructuring Cost and Reserve [Line Items]        
Restructuring and other impairments $ 9.3 $ 0.7 $ 34.0 $ 10.2
Restructuring Reserve [Roll Forward]        
Restructuring Reserve, Beginning Balance     2.3 7.3
Expenses recorded 9.3 0.7 34.0 10.2
Payments made     (28.1) (18.3)
Noncash items     (2.0) 2.6
Restructuring Reserve, Ending Balance 6.2 1.8 6.2 1.8
Academia & Government        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other impairments 4.3 (0.2) 16.6 3.7
Restructuring Reserve [Roll Forward]        
Expenses recorded 4.3 (0.2) 16.6 3.7
Intellectual Property        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other impairments 1.8 0.4 8.3 3.0
Restructuring Reserve [Roll Forward]        
Expenses recorded 1.8 0.4 8.3 3.0
Life Sciences & Healthcare        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other impairments 3.2 0.5 9.1 3.5
Restructuring Reserve [Roll Forward]        
Expenses recorded 3.2 0.5 9.1 3.5
Severance and related benefit costs:        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other impairments 8.8 2.6 33.2 12.0
Restructuring Reserve [Roll Forward]        
Restructuring Reserve, Beginning Balance     2.3 5.9
Expenses recorded 8.8 2.6 33.2 12.0
Payments made     (27.3) (15.5)
Noncash items     (2.1) (0.7)
Restructuring Reserve, Ending Balance 6.1 1.7 6.1 1.7
Exit and disposal costs:        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other impairments 0.5 0.1 0.8 0.2
Restructuring Reserve [Roll Forward]        
Expenses recorded 0.5 0.1 0.8 0.2
Lease abandonment costs:        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other impairments     0.8 (1.8)
Restructuring Reserve [Roll Forward]        
Restructuring Reserve, Beginning Balance     0.0 1.4
Expenses recorded     0.8 (1.8)
Payments made     (0.8) (2.8)
Noncash items     0.1 3.3
Restructuring Reserve, Ending Balance 0.1 0.1 0.1 0.1
Lease abandonment costs:        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other impairments 0.0 (2.0) 0.0 (2.0)
Restructuring Reserve [Roll Forward]        
Expenses recorded 0.0 (2.0) 0.0 (2.0)
Segment Optimization Program | Academia & Government        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other impairments 0.0 (0.2) 0.0 3.8
Restructuring Reserve [Roll Forward]        
Expenses recorded 0.0 (0.2) 0.0 3.8
Segment Optimization Program | Intellectual Property        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other impairments 0.0 0.4 0.3 3.0
Restructuring Reserve [Roll Forward]        
Expenses recorded 0.0 0.4 0.3 3.0
Segment Optimization Program | Life Sciences & Healthcare        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other impairments 0.0 0.5 0.1 3.5
Restructuring Reserve [Roll Forward]        
Expenses recorded 0.0 0.5 0.1 3.5
Segment Optimization Program | Severance and related benefit costs:        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other impairments 0.0 2.6 0.4 12.1
Restructuring Reserve [Roll Forward]        
Expenses recorded 0.0 2.6 0.4 12.1
Segment Optimization Program | Exit and disposal costs:        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other impairments 0.0 0.1 0.0 0.2
Restructuring Reserve [Roll Forward]        
Expenses recorded 0.0 0.1 0.0 0.2
Segment Optimization Program | Lease abandonment costs:        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other impairments 0.0 (2.0) 0.0 (2.0)
Restructuring Reserve [Roll Forward]        
Expenses recorded 0.0 (2.0) 0.0 (2.0)
ProQuest Acquisition Integration Program | Academia & Government        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other impairments 0.0 0.0 0.0 (0.1)
Restructuring Reserve [Roll Forward]        
Expenses recorded 0.0 0.0 0.0 (0.1)
ProQuest Acquisition Integration Program | Severance and related benefit costs:        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other impairments 0.0 0.0 0.0 (0.1)
Restructuring Reserve [Roll Forward]        
Expenses recorded 0.0 0.0 0.0 (0.1)
Value Creation Plan        
Restructuring Cost and Reserve [Line Items]        
Expected additional restructuring costs 5.0   5.0  
Value Creation Plan | Academia & Government        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other impairments 4.3 0.0 16.6 0.0
Restructuring Reserve [Roll Forward]        
Expenses recorded 4.3 0.0 16.6 0.0
Value Creation Plan | Intellectual Property        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other impairments 1.8 0.0 8.0 0.0
Restructuring Reserve [Roll Forward]        
Expenses recorded 1.8 0.0 8.0 0.0
Value Creation Plan | Life Sciences & Healthcare        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other impairments 3.2 0.0 9.0 0.0
Restructuring Reserve [Roll Forward]        
Expenses recorded 3.2 0.0 9.0 0.0
Value Creation Plan | Severance and related benefit costs:        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other impairments 8.8 0.0 32.8 0.0
Restructuring Reserve [Roll Forward]        
Expenses recorded 8.8 0.0 32.8 0.0
Value Creation Plan | Exit and disposal costs:        
Restructuring Cost and Reserve [Line Items]        
Restructuring and other impairments 0.5 0.0 0.8 0.0
Restructuring Reserve [Roll Forward]        
Expenses recorded $ 0.5 $ 0.0 $ 0.8 $ 0.0