XML 43 R30.htm IDEA: XBRL DOCUMENT
v3.25.1

Intangible Assets (Tables) | 3 Months Ended
--- | ---
Mar. 28, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Other Intangible Assets | Components of other intangible assets were as follows (dollars in thousands):
| Finite Life |  | Indefinite Life |  |
| Customer Relationships |  | Patents and Proprietary Technology |  | Trademarks, Trade Names and Other |  | Trade Names |  | Total
As of March 28, 2025 |  |  |  |  |  |  |  |  |
Cost | $ | 270,586 |  |  | $ | 30,990 |  |  | $ | 3,756 |  |  | $ | 95,091 |  |  | $ | 400,423 |
Accumulated amortization | (148,689) |  |  | (7,606) |  |  | (2,580) |  |  | — |  |  | (158,875) |
Foreign currency translation | (9,043) |  |  | (464) |  |  | (32) |  |  | (123) |  |  | (9,662) |
Book value | $ | 112,854 |  |  | $ | 22,920 |  |  | $ | 1,144 |  |  | $ | 94,968 |  |  | $ | 231,886 |
Weighted average life in years | 13 |  | 10 |  | 3 |  | N/A |  |
As of December 27, 2024 |  |  |  |  |  |  |  |  |
Cost | $ | 270,910 |  |  | $ | 34,731 |  |  | $ | 3,756 |  |  | $ | 95,091 |  |  | $ | 404,488 |
Accumulated amortization | (143,689) |  |  | (10,534) |  |  | (1,478) |  |  | — |  |  | (155,701) |
Foreign currency translation | (12,102) |  |  | (1,182) |  |  | (79) |  |  | (2,118) |  |  | (15,481) |
Book value | $ | 115,119 |  |  | $ | 23,015 |  |  | $ | 2,199 |  |  | $ | 92,973 |  |  | $ | 233,306 |
Weighted average life in years | 14 |  | 9 |  | 3 |  | N/A |  |
Future Amortization Expense | Estimated annual amortization expense based on the current carrying amount of other intangible assets is as follows (in thousands):
| 2025 (Remainder) |  | 2026 |  | 2027 |  | 2028 |  | 2029 |  | Thereafter
Estimated Amortization Expense | $ | 18,157 |  |  | $ | 16,662 |  |  | $ | 13,902 |  |  | $ | 11,734 |  |  | $ | 11,151 |  |  | $ | 58,525 |
Goodwill Rollforward | Changes in the carrying amount of goodwill for each reportable segment were as follows (in thousands):
| Contractor |  | Industrial |  | Expansion Markets |  | Total
Balance, December 27, 2024 | $ | 198,038 |  |  | $ | 217,698 |  |  | $ | 71,732 |  |  | $ | 487,468 |
Adjustments from business acquisitions | 1,091 |  |  | — |  |  | — |  |  | 1,091 |
Foreign currency translation | 4,819 |  |  | 2,254 |  |  | — |  |  | 7,073 |
Balance, March 28, 2025 | $ | 203,948 |  |  | $ | 219,952 |  |  | $ | 71,732 |  |  | $ | 495,632 |

X
- Definition Disclosure of the characteristics, including initial carrying value, residual amount, weighted average useful life, of finite-lived and indefinite lived intangible assets by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company. + References No definition available. + Details
Name: | ggg_ScheduleOfAcquiredFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTableTableTextBlock
Namespace Prefix: | ggg_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482548/350-20-55-24 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1A Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-2 + Details
Name: | us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 + Details
Name: | us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration