Restructuring - Summary of Liabilities Recognized Related to Restructuring Plan (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
2021 Restructuring Plan [Member]
Restructuring Cost And Reserve [Line Items]
Beginning Balance	$ 32.1
Additions	$ 99.7	$ 32.1
Restructuring, Incurred Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Restructuring And Other Cost Reduction Initiatives	Restructuring And Other Cost Reduction Initiatives
Cash payments	$ (95.1)
Foreign currency exchange rate changes	1.9
Ending Balance	38.6	$ 32.1
Expense estimated to be recognized for the Restructuring Plan	220.0	220.0
Expense incurred since the start of the Restructuring Plan	131.8
2021 Restructuring Plan [Member] | Employee Termination Benefits [Member]
Restructuring Cost And Reserve [Line Items]
Beginning Balance	19.5
Additions	$ 33.6	$ 19.5
Restructuring, Incurred Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Restructuring And Other Cost Reduction Initiatives	Restructuring And Other Cost Reduction Initiatives
Cash payments	$ (43.4)
Foreign currency exchange rate changes	0.8
Ending Balance	10.5	$ 19.5
Expense estimated to be recognized for the Restructuring Plan	70.0
Expense incurred since the start of the Restructuring Plan	53.1
2021 Restructuring Plan [Member] | Contract Termination [Member]
Restructuring Cost And Reserve [Line Items]
Beginning Balance	2.3
Additions	$ 49.5	$ 2.3
Restructuring, Incurred Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Restructuring And Other Cost Reduction Initiatives	Restructuring And Other Cost Reduction Initiatives
Cash payments	$ (27.8)
Foreign currency exchange rate changes	1.0
Ending Balance	25.0	$ 2.3
Expense estimated to be recognized for the Restructuring Plan	100.0
Expense incurred since the start of the Restructuring Plan	51.8
2021 Restructuring Plan [Member] | Other Restructuring [Member]
Restructuring Cost And Reserve [Line Items]
Beginning Balance	10.3
Additions	$ 16.6	$ 10.3
Restructuring, Incurred Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Restructuring And Other Cost Reduction Initiatives	Restructuring And Other Cost Reduction Initiatives
Cash payments	$ (23.9)
Foreign currency exchange rate changes	0.1
Ending Balance	3.1	$ 10.3
Expense estimated to be recognized for the Restructuring Plan	50.0
Expense incurred since the start of the Restructuring Plan	26.9
2019 Restructuring Plan [Member]
Restructuring Cost And Reserve [Line Items]
Beginning Balance	31.3	63.8	$ 26.4
Additions	$ 69.9	$ 75.0	$ 98.5
Restructuring, Incurred Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Restructuring And Other Cost Reduction Initiatives	Restructuring And Other Cost Reduction Initiatives	Restructuring And Other Cost Reduction Initiatives
Cash payments	$ (54.0)	$ (105.8)	$ (62.5)
Foreign currency exchange rate changes	(2.9)	(1.7)	1.4
Ending Balance	44.3	31.3	63.8
Expense estimated to be recognized for the Restructuring Plan	375.0
Expense incurred since the start of the Restructuring Plan	277.9
2019 Restructuring Plan [Member] | Employee Termination Benefits [Member]
Restructuring Cost And Reserve [Line Items]
Beginning Balance	14.8	37.8	22.3
Additions	$ 29.1	$ 7.3	$ 49.6
Restructuring, Incurred Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Restructuring And Other Cost Reduction Initiatives	Restructuring And Other Cost Reduction Initiatives	Restructuring And Other Cost Reduction Initiatives
Cash payments	$ (13.4)	$ (28.7)	$ (35.5)
Foreign currency exchange rate changes	(1.6)	(1.6)	1.4
Ending Balance	28.9	14.8	37.8
Expense estimated to be recognized for the Restructuring Plan	160.0
Expense incurred since the start of the Restructuring Plan	108.3
2019 Restructuring Plan [Member] | Contract Termination [Member]
Restructuring Cost And Reserve [Line Items]
Beginning Balance	16.5	10.9
Additions	$ 0.7	$ 18.5	$ 15.8
Restructuring, Incurred Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Restructuring And Other Cost Reduction Initiatives	Restructuring And Other Cost Reduction Initiatives	Restructuring And Other Cost Reduction Initiatives
Cash payments	$ (7.3)	$ (12.9)	$ (4.9)
Foreign currency exchange rate changes	(0.9)
Ending Balance	9.0	16.5	10.9
Expense estimated to be recognized for the Restructuring Plan	35.0
Expense incurred since the start of the Restructuring Plan	35.0
2019 Restructuring Plan [Member] | Other Restructuring [Member]
Restructuring Cost And Reserve [Line Items]
Beginning Balance		15.1	4.1
Additions	$ 40.1	$ 49.2	$ 33.1
Restructuring, Incurred Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Restructuring And Other Cost Reduction Initiatives	Restructuring And Other Cost Reduction Initiatives	Restructuring And Other Cost Reduction Initiatives
Cash payments	$ (33.3)	$ (64.2)	$ (22.1)
Foreign currency exchange rate changes	(0.4)	$ (0.1)
Ending Balance	6.4		$ 15.1
Expense estimated to be recognized for the Restructuring Plan	180.0
Expense incurred since the start of the Restructuring Plan	$ 134.6