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Document and Entity Information | Mar. 23, 2021
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Cover [Abstract] |
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Document Type | 8-K
Document Period End Date | Mar. 23, 2021
Entity Registrant Name | SIMPSON MANUFACTURING CO INC /CA/
Entity Incorporation, State or Country Code | DE
Entity File Number | 1-13429
Entity Tax Identification Number | 94-3196943
Entity Address, Address | 5956 W. Las Positas Boulevard
Entity Address, City or Town | Pleasanton
Entity Address, State or Province | CA
Entity Address, Postal Zip Code | 94588
City Area Code | 925
Local Phone Number | 560-9000
Title of 12(b) Security | Common Stock, par value $0.01 per share
Trading Symbol | SSD
Security Exchange Name | NYSE
Entity Emerging Growth Company | false
Amendment Flag | false
Entity Central Index Key | 0000920371
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