Discontinued Operations - Balance Sheet (Parenthetical) (Details) - Discontinued Operations, Held-for-Sale $ in Thousands	Dec. 31, 2024 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Trade accounts receivable, allowances	$ 2,582
Property plant and equipment, accumulated depreciation	465,923
Other intangible assets, accumulated amortization	$ 206,437

Disposal Group, Including Discontinued Operation, Property Plant and Equipment, Accumulated Depreciation

No definition available.

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Namespace Prefix:	son_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Disposal Group, Including Discontinued Operations, Accounts Receivable, Allowance for Credit Loss, Current

+ References

No definition available.

+ Details

Name:	son_DisposalGroupIncludingDiscontinuedOperationsAccountsReceivableAllowanceForCreditLossCurrent
Namespace Prefix:	son_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Disposal Group, Including Discontinued Operations, Intangible Assets, Accumulated Amortization

+ References

No definition available.

+ Details

Name:	son_DisposalGroupIncludingDiscontinuedOperationsIntangibleAssetsAccumulatedAmortization
Namespace Prefix:	son_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3A
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-3A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3A
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-3A

+ Details

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Period Type:	duration

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: