XML 58 R49.htm IDEA: XBRL DOCUMENT
v3.20.1

Goodwill and Other Intangible Assets - Changes in Goodwill by Segment (Details) $ in Thousands | 3 Months Ended
--- | ---
Mar. 29, 2020 USD ($)
Goodwill [Roll Forward] |  |
Goodwill at December 31, 2019 | $ 1,429,346 | [1]
2020 Acquisitions | 1,050 |
Foreign currency translation | (20,034) |
Measurement period adjustments | 1,693 |
Goodwill at March 29, 2020 | 1,412,055 |
Consumer Packaging |  |
Goodwill [Roll Forward] |  |
Goodwill at December 31, 2019 | 691,243 |
2020 Acquisitions | 0 |
Foreign currency translation | (11,419) |
Measurement period adjustments | 1,077 |
Goodwill at March 29, 2020 | 680,901 |
Display and Packaging |  |
Goodwill [Roll Forward] |  |
Goodwill at December 31, 2019 | 203,414 |
2020 Acquisitions | 0 |
Foreign currency translation | 0 |
Measurement period adjustments | 0 |
Goodwill at March 29, 2020 | 203,414 |
Paper and Industrial Converted Products |  |
Goodwill [Roll Forward] |  |
Goodwill at December 31, 2019 | 303,041 |
2020 Acquisitions | 1,050 |
Foreign currency translation | (7,815) |
Measurement period adjustments | 616 |
Goodwill at March 29, 2020 | 296,892 |
Protective Solutions |  |
Goodwill [Roll Forward] |  |
Goodwill at December 31, 2019 | 231,648 |
2020 Acquisitions | 0 |
Foreign currency translation | (800) |
Measurement period adjustments | 0 |
Goodwill at March 29, 2020 | $ 230,848 |
[1] | The year-end condensed consolidated balance sheet data was derived from audited financial statements, but does not include all disclosures required by accounting principles generally accepted in the United States of America.

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillAcquiredDuringPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillForeignCurrencyTranslationGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e961-128460 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillPurchaseAccountingAdjustments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_GoodwillRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=son_ConsumerPackagingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=son_DisplayandPackagingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=son_PaperAndIndustrialConvertedProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=son_ProtectiveSolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |