Financial Instruments - Schedule of Balance Sheet Locations of Other Derivatives, Fair Value (Details) - Designated as Hedging Instrument - USD ($) $ in Millions	Sep. 30, 2026	Dec. 31, 2025
Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent
Other Derivatives, Fair Value [Line Items]
Derivative assets	$ 27.0	$ 0.0
Balance Sheet Location [Axis]: us-gaap:OtherAssetsNoncurrent
Other Derivatives, Fair Value [Line Items]
Derivative assets	0.7	2.6
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent
Other Derivatives, Fair Value [Line Items]
Derivative liabilities	41.1	0.3
Balance Sheet Location [Axis]: avy:LongTermRetirementBenefitsAndOtherLiabilities
Other Derivatives, Fair Value [Line Items]
Derivative liabilities	5.8	14.4
Foreign currency forward contracts
Other Derivatives, Fair Value [Line Items]
Notional amount		1,173.8
Foreign currency forward contracts | Fair Value Hedging
Other Derivatives, Fair Value [Line Items]
Notional amount	1,134.7
Foreign currency forward contracts | Cash Flow Hedging
Other Derivatives, Fair Value [Line Items]
Notional amount	11.5
Foreign currency forward contracts | Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent
Other Derivatives, Fair Value [Line Items]
Derivative assets		0.0
Foreign currency forward contracts | Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent | Fair Value Hedging
Other Derivatives, Fair Value [Line Items]
Derivative assets	0.0
Foreign currency forward contracts | Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent | Cash Flow Hedging
Other Derivatives, Fair Value [Line Items]
Derivative assets	0.4
Foreign currency forward contracts | Balance Sheet Location [Axis]: us-gaap:OtherAssetsNoncurrent
Other Derivatives, Fair Value [Line Items]
Derivative assets		0.0
Foreign currency forward contracts | Balance Sheet Location [Axis]: us-gaap:OtherAssetsNoncurrent | Fair Value Hedging
Other Derivatives, Fair Value [Line Items]
Derivative assets	0.0
Foreign currency forward contracts | Balance Sheet Location [Axis]: us-gaap:OtherAssetsNoncurrent | Cash Flow Hedging
Other Derivatives, Fair Value [Line Items]
Derivative assets	0.0
Foreign currency forward contracts | Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent
Other Derivatives, Fair Value [Line Items]
Derivative liabilities		0.0
Foreign currency forward contracts | Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent | Fair Value Hedging
Other Derivatives, Fair Value [Line Items]
Derivative liabilities	39.5
Foreign currency forward contracts | Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent | Cash Flow Hedging
Other Derivatives, Fair Value [Line Items]
Derivative liabilities	0.0
Foreign currency forward contracts | Balance Sheet Location [Axis]: avy:LongTermRetirementBenefitsAndOtherLiabilities
Other Derivatives, Fair Value [Line Items]
Derivative liabilities		4.5
Foreign currency forward contracts | Balance Sheet Location [Axis]: avy:LongTermRetirementBenefitsAndOtherLiabilities | Fair Value Hedging
Other Derivatives, Fair Value [Line Items]
Derivative liabilities	0.0
Foreign currency forward contracts | Balance Sheet Location [Axis]: avy:LongTermRetirementBenefitsAndOtherLiabilities | Cash Flow Hedging
Other Derivatives, Fair Value [Line Items]
Derivative liabilities	0.0
Cross-currency swap contracts
Other Derivatives, Fair Value [Line Items]
Notional amount	250.0	250.0
Cross-currency swap contracts | Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent
Other Derivatives, Fair Value [Line Items]
Derivative assets	0.0	0.0
Cross-currency swap contracts | Balance Sheet Location [Axis]: us-gaap:OtherAssetsNoncurrent
Other Derivatives, Fair Value [Line Items]
Derivative assets	0.0	0.0
Cross-currency swap contracts | Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent
Other Derivatives, Fair Value [Line Items]
Derivative liabilities	0.0	0.0
Cross-currency swap contracts | Balance Sheet Location [Axis]: avy:LongTermRetirementBenefitsAndOtherLiabilities
Other Derivatives, Fair Value [Line Items]
Derivative liabilities	4.9	9.9
Commodity contracts
Other Derivatives, Fair Value [Line Items]
Notional amount	4.4	1.7
Commodity contracts | Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent
Other Derivatives, Fair Value [Line Items]
Derivative assets	0.0	0.0
Commodity contracts | Balance Sheet Location [Axis]: us-gaap:OtherAssetsNoncurrent
Other Derivatives, Fair Value [Line Items]
Derivative assets	0.0	0.0
Commodity contracts | Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent
Other Derivatives, Fair Value [Line Items]
Derivative liabilities	0.5	0.3
Commodity contracts | Balance Sheet Location [Axis]: avy:LongTermRetirementBenefitsAndOtherLiabilities
Other Derivatives, Fair Value [Line Items]
Derivative liabilities	0.0	0.0
Foreign currency forward contracts with collars
Other Derivatives, Fair Value [Line Items]
Notional amount	1,134.7	1,173.8
Foreign currency forward contracts with collars | Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent
Other Derivatives, Fair Value [Line Items]
Derivative assets	26.6	0.0
Foreign currency forward contracts with collars | Balance Sheet Location [Axis]: us-gaap:OtherAssetsNoncurrent
Other Derivatives, Fair Value [Line Items]
Derivative assets	0.0	2.6
Foreign currency forward contracts with collars | Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent
Other Derivatives, Fair Value [Line Items]
Derivative liabilities	0.0	0.0
Foreign currency forward contracts with collars | Balance Sheet Location [Axis]: avy:LongTermRetirementBenefitsAndOtherLiabilities
Other Derivatives, Fair Value [Line Items]
Derivative liabilities	0.0	$ 0.0
Cross-currency swap contracts with collars
Other Derivatives, Fair Value [Line Items]
Notional amount	75.8
Cross-currency swap contracts with collars | Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent
Other Derivatives, Fair Value [Line Items]
Derivative assets	0.0
Cross-currency swap contracts with collars | Balance Sheet Location [Axis]: us-gaap:OtherAssetsNoncurrent
Other Derivatives, Fair Value [Line Items]
Derivative assets	0.7
Cross-currency swap contracts with collars | Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent
Other Derivatives, Fair Value [Line Items]
Derivative liabilities	1.1
Cross-currency swap contracts with collars | Balance Sheet Location [Axis]: avy:LongTermRetirementBenefitsAndOtherLiabilities
Other Derivatives, Fair Value [Line Items]
Derivative liabilities	$ 0.9