XML 17 R5.htm IDEA: XBRL DOCUMENT v2.4.0.6
Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Document Type dei_DocumentType Other
Document Period End Date dei_DocumentPeriodEndDate Jun. 30, 2011
Registrant Name dei_EntityRegistrantName JANUS INVESTMENT FUND
Central Index Key dei_EntityCentralIndexKey 0000277751
Amendment Flag dei_AmendmentFlag false
Document Creation Date dei_DocumentCreationDate Jan. 26, 2012
Document Effective Date dei_DocumentEffectiveDate Jan. 27, 2012
Prospectus Date rr_ProspectusDate Oct. 28, 2011
Janus High-Yield Fund | Class S, I, R, T Shares
  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] jif277751_SupplementTextBlock
Janus Investment Fund
 
Janus High-Yield Fund
(the “Fund”)
 
Class I Shares, Class R Shares, Class S Shares, Class T Shares
(collectively, the “Shares”)
 
Supplement dated January 27, 2012
to Currently Effective Prospectuses
and Statement of Additional Information
 
 
Effective April 2, 2012, the Fund’s Prospectus and Summary Prospectus, as applicable, are amended as set forth below:
 
Effective April 2, 2012, the 2.00% redemption fee charged by the Fund upon the sale or exchange of Shares within 90 days of purchase or exchange is eliminated and will no longer be charged by the Fund.
 
All references in the Fund’s prospectuses regarding the application of a redemption fee by the Fund are hereby deleted. In particular,
 
 • In the “Fees and Expenses of the Fund” section found in the Fund Summary for the Fund, the Redemption Fee line item under Shareholder Fees is deleted in its entirety.
Janus High-Yield Fund | Class D Shares
  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] jif277751_SupplementTextBlock
Janus Investment Fund
 
Janus High-Yield Fund
(the “Fund”)
 
Class D Shares
 
Supplement dated January 27, 2012
to Currently Effective Prospectuses
and Statement of Additional Information
 
 
Effective April 2, 2012, the Fund’s Prospectus and Summary Prospectus, as applicable, are amended as set forth below:
 
Effective April 2, 2012, the 2.00% redemption fee charged by the Fund upon the sale or exchange of Class D Shares (the “Shares”) within 90 days of purchase or exchange is eliminated and will no longer be charged by the Fund.
 
All references in the Fund’s prospectuses regarding the application of a redemption fee by the Fund are hereby deleted. In particular,
 
  • In the “Fees and Expenses of the Fund” section found in the Fund Summary for the Fund, the Shareholder Fees table, including the Redemption Fee line item, is deleted in its entirety.
INTECH International Fund | Class S, I, T Shares
  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] jif277751_SupplementTextBlock
Janus Investment Fund
 
INTECH International Fund
INTECH U.S. Core Fund
INTECH U.S. Growth Fund
INTECH U.S. Value Fund
(each, a “Fund” and collectively, the “Funds”)
 
Class I Shares, Class S Shares, Class T Shares
(collectively, the “Shares”)
 
Supplement dated January 27, 2012
to Currently Effective Prospectuses
and Statement of Additional Information
 
 
Effective April 2, 2012, the Funds’ Prospectus and Summary Prospectus, as applicable, are amended as set forth below:
 
Effective April 2, 2012, the 2.00% redemption fee charged by each Fund upon the sale or exchange of Shares within 90 days of purchase or exchange is eliminated and will no longer be charged by the Funds.
 
All references in the Funds’ prospectuses regarding the application of a redemption fee by a Fund are hereby deleted. In particular,
 
  • In the “Fees and Expenses of the Fund” section found in the Fund Summary for each Fund, the Redemption Fee line item under Shareholder Fees is deleted in its entirety.
INTECH U.S. Core Fund | Class S, I, T Shares
  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] jif277751_SupplementTextBlock
Janus Investment Fund
 
INTECH International Fund
INTECH U.S. Core Fund
INTECH U.S. Growth Fund
INTECH U.S. Value Fund
(each, a “Fund” and collectively, the “Funds”)
 
Class I Shares, Class S Shares, Class T Shares
(collectively, the “Shares”)
 
Supplement dated January 27, 2012
to Currently Effective Prospectuses
and Statement of Additional Information
 
 
Effective April 2, 2012, the Funds’ Prospectus and Summary Prospectus, as applicable, are amended as set forth below:
 
Effective April 2, 2012, the 2.00% redemption fee charged by each Fund upon the sale or exchange of Shares within 90 days of purchase or exchange is eliminated and will no longer be charged by the Funds.
 
All references in the Funds’ prospectuses regarding the application of a redemption fee by a Fund are hereby deleted. In particular,
 
  • In the “Fees and Expenses of the Fund” section found in the Fund Summary for each Fund, the Redemption Fee line item under Shareholder Fees is deleted in its entirety.
INTECH U.S. Core Fund | Class D Shares
  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] jif277751_SupplementTextBlock
Janus Investment Fund
 
INTECH U.S. Core Fund
(the “Fund”)
 
Class D Shares
 
Supplement dated January 27, 2012
to Currently Effective Prospectuses
and Statement of Additional Information
 
 
Effective April 2, 2012, the Fund’s Prospectus and Summary Prospectus, as applicable, are amended as set forth below:
 
Effective April 2, 2012, the 2.00% redemption fee charged by the Fund upon the sale or exchange of Class D Shares (the “Shares”) within 90 days of purchase or exchange is eliminated and will no longer be charged by the Fund.
 
All references in the Fund’s prospectuses regarding the application of a redemption fee by the Fund are hereby deleted. In particular,
 
  • In the “Fees and Expenses of the Fund” section found in the Fund Summary for the Fund, the Shareholder Fees table, including the Redemption Fee line item, is deleted in its entirety.
INTECH U.S. Growth Fund | Class S, I, T Shares
  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] jif277751_SupplementTextBlock
Janus Investment Fund
 
INTECH International Fund
INTECH U.S. Core Fund
INTECH U.S. Growth Fund
INTECH U.S. Value Fund
(each, a “Fund” and collectively, the “Funds”)
 
Class I Shares, Class S Shares, Class T Shares
(collectively, the “Shares”)
 
Supplement dated January 27, 2012
to Currently Effective Prospectuses
and Statement of Additional Information
 
 
Effective April 2, 2012, the Funds’ Prospectus and Summary Prospectus, as applicable, are amended as set forth below:
 
Effective April 2, 2012, the 2.00% redemption fee charged by each Fund upon the sale or exchange of Shares within 90 days of purchase or exchange is eliminated and will no longer be charged by the Funds.
 
All references in the Funds’ prospectuses regarding the application of a redemption fee by a Fund are hereby deleted. In particular,
 
  • In the “Fees and Expenses of the Fund” section found in the Fund Summary for each Fund, the Redemption Fee line item under Shareholder Fees is deleted in its entirety.
INTECH U.S. Value Fund | Class S, I, T Shares
  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] jif277751_SupplementTextBlock
Janus Investment Fund
 
INTECH International Fund
INTECH U.S. Core Fund
INTECH U.S. Growth Fund
INTECH U.S. Value Fund
(each, a “Fund” and collectively, the “Funds”)
 
Class I Shares, Class S Shares, Class T Shares
(collectively, the “Shares”)
 
Supplement dated January 27, 2012
to Currently Effective Prospectuses
and Statement of Additional Information
 
 
Effective April 2, 2012, the Funds’ Prospectus and Summary Prospectus, as applicable, are amended as set forth below:
 
Effective April 2, 2012, the 2.00% redemption fee charged by each Fund upon the sale or exchange of Shares within 90 days of purchase or exchange is eliminated and will no longer be charged by the Funds.
 
All references in the Funds’ prospectuses regarding the application of a redemption fee by a Fund are hereby deleted. In particular,
 
  • In the “Fees and Expenses of the Fund” section found in the Fund Summary for each Fund, the Redemption Fee line item under Shareholder Fees is deleted in its entirety.