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Cover Statement
Oct. 16, 2019
Document Information [Line Items]  
Document Period End Date Oct. 16, 2019
Entity Registrant Name Knowles Corporation
Entity Incorporation, State or Country Code DE
Entity File Number 001-36102
Entity Tax Identification Number 90-1002689
Entity Address, Address Line One 1511 Maplewood Drive,
Entity Address, City or Town Itasca
Entity Address, State or Province IL
Entity Address, Postal Zip Code 60143
City Area Code (630)
Local Phone Number 250-5100
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common stock, $0.01 par value per share
Trading Symbol KN
Security Exchange Name NYSE
Entity Emerging Growth Company false
Entity Central Index Key 0001587523
Document Type 8-K
Amendment Flag false