Document and Entity Information	Total
Prospectus:
Document Type	485BPOS
Document Period End Date	Sep. 30, 2015
Registrant Name	FMI FUNDS INC
Central Index Key	0001023391
Amendment Flag	false
Document Creation Date	Jan. 29, 2016
Document Effective Date	Jan. 29, 2016
Prospectus Date	Jan. 29, 2016
FMI Large Cap Fund \| FMI Large Cap Fund
Prospectus:
Trading Symbol	FMIHX
FMI Common Stock Fund \| FMI Common Stock Fund
Prospectus:
Trading Symbol	FMIMX
FMI International Fund \| FMI International Fund
Prospectus:
Trading Symbol	FMIJX

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The date the document was made available and submitted, in CCYY-MM-DD format. The date of submission, date of acceptance by the recipient, and the document effective date are all potentially different.

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The date when a document, upon receipt and acceptance, becomes officially effective, in CCYY-MM-DD format. Usually it is a system-assigned date time value, but it may be declared by the submitter in some cases.

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The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word "Other".

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A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation 12B
-Number 240
-Section 12b
-Subsection 1

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The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Prospectus Table.

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