Financial Instruments - Schedule of Balance Sheet Locations of Other Derivatives, Fair Value (Details) - Designated as Hedging Instrument - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent
Other Derivatives, Fair Value [Line Items]
Derivative assets	$ 35.6	$ 0.0
Balance Sheet Location [Axis]: us-gaap:OtherAssetsNoncurrent
Other Derivatives, Fair Value [Line Items]
Derivative assets	1.0	2.6
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent
Other Derivatives, Fair Value [Line Items]
Derivative liabilities	46.1	0.3
Balance Sheet Location [Axis]: avy:LongTermRetirementBenefitsAndOtherLiabilities
Other Derivatives, Fair Value [Line Items]
Derivative liabilities	7.9	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	1,139.9
Foreign currency forward contracts \| Cash Flow Hedging
Other Derivatives, Fair Value [Line Items]
Notional amount	23.6
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	1.0
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	44.9
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	7.0	9.9
Foreign currency forward contracts with collars
Other Derivatives, Fair Value [Line Items]
Notional amount	1,139.9	1,173.8
Foreign currency forward contracts with collars \| Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent
Other Derivatives, Fair Value [Line Items]
Derivative assets	34.5	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	77.1
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	1.0
Cross-currency swap contracts with collars \| Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent
Other Derivatives, Fair Value [Line Items]
Derivative liabilities	0.7
Cross-currency swap contracts with collars \| Balance Sheet Location [Axis]: avy:LongTermRetirementBenefitsAndOtherLiabilities
Other Derivatives, Fair Value [Line Items]
Derivative liabilities	0.9
Commodity contracts
Other Derivatives, Fair Value [Line Items]
Notional amount	3.6	1.7
Commodity contracts \| Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent
Other Derivatives, Fair Value [Line Items]
Derivative assets	0.1	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