XML 54 R111.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Business Segments - Earned Premiums by Product Line (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Entity-Wide Information, Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Premiums Earned, Net, Life |  |  |  |  |  |  |  |  | $ 387.6 us-gaap_PremiumsEarnedNetLife | $ 392.7 us-gaap_PremiumsEarnedNetLife | $ 393.4 us-gaap_PremiumsEarnedNetLife
Premiums Earned, Net, Accident and Health |  |  |  |  |  |  |  |  | 148.6 us-gaap_PremiumsEarnedNetAccidentAndHealth | 161.4 us-gaap_PremiumsEarnedNetAccidentAndHealth | 165.2 us-gaap_PremiumsEarnedNetAccidentAndHealth
Earned Premiums | 451.5 us-gaap_PremiumsEarnedNet | 462.8 us-gaap_PremiumsEarnedNet | 470.3 us-gaap_PremiumsEarnedNet | 477.6 us-gaap_PremiumsEarnedNet | 495.6 us-gaap_PremiumsEarnedNet | 507.5 us-gaap_PremiumsEarnedNet | 512.8 us-gaap_PremiumsEarnedNet | 509.9 us-gaap_PremiumsEarnedNet | 1,862.2 us-gaap_PremiumsEarnedNet | 2,025.8 us-gaap_PremiumsEarnedNet | 2,107.1 us-gaap_PremiumsEarnedNet
Personal Automobile [Member] |  |  |  |  |  |  |  |  |  |  |
Entity-Wide Information, Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Premiums Earned, Net, Property and Casualty |  |  |  |  |  |  |  |  | 831.4 us-gaap_PremiumsEarnedNetPropertyAndCasualty / us-gaap_ProductOrServiceAxis = kmpr_PersonalAutomobileMember | 959.1 us-gaap_PremiumsEarnedNetPropertyAndCasualty / us-gaap_ProductOrServiceAxis = kmpr_PersonalAutomobileMember | 1,050.1 us-gaap_PremiumsEarnedNetPropertyAndCasualty / us-gaap_ProductOrServiceAxis = kmpr_PersonalAutomobileMember
Homeowners [Member] |  |  |  |  |  |  |  |  |  |  |
Entity-Wide Information, Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Premiums Earned, Net, Property and Casualty |  |  |  |  |  |  |  |  | 312.4 us-gaap_PremiumsEarnedNetPropertyAndCasualty / us-gaap_ProductOrServiceAxis = kmpr_HomeownersMember | 326.2 us-gaap_PremiumsEarnedNetPropertyAndCasualty / us-gaap_ProductOrServiceAxis = kmpr_HomeownersMember | 318.0 us-gaap_PremiumsEarnedNetPropertyAndCasualty / us-gaap_ProductOrServiceAxis = kmpr_HomeownersMember
Other Personal Lines [Member] |  |  |  |  |  |  |  |  |  |  |
Entity-Wide Information, Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Premiums Earned, Net, Property and Casualty |  |  |  |  |  |  |  |  | 127.4 us-gaap_PremiumsEarnedNetPropertyAndCasualty / us-gaap_ProductOrServiceAxis = kmpr_OtherPersonalLinesMember | 134.1 us-gaap_PremiumsEarnedNetPropertyAndCasualty / us-gaap_ProductOrServiceAxis = kmpr_OtherPersonalLinesMember | 136.9 us-gaap_PremiumsEarnedNetPropertyAndCasualty / us-gaap_ProductOrServiceAxis = kmpr_OtherPersonalLinesMember
Commercial Automobile [Member] |  |  |  |  |  |  |  |  |  |  |
Entity-Wide Information, Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Premiums Earned, Net, Property and Casualty |  |  |  |  |  |  |  |  | $ 54.8 us-gaap_PremiumsEarnedNetPropertyAndCasualty / us-gaap_ProductOrServiceAxis = us-gaap_PropertyAndCasualtyCommercialInsuranceProductLineMember | $ 52.3 us-gaap_PremiumsEarnedNetPropertyAndCasualty / us-gaap_ProductOrServiceAxis = us-gaap_PropertyAndCasualtyCommercialInsuranceProductLineMember | $ 43.5 us-gaap_PremiumsEarnedNetPropertyAndCasualty / us-gaap_ProductOrServiceAxis = us-gaap_PropertyAndCasualtyCommercialInsuranceProductLineMember

X
- Details
Name: | us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after premiums ceded to other entities and premiums assumed by the entity, of premiums earned. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 17 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17) -URI http://asc.fasb.org/extlink&oid=34713774&loc=d3e574992-122915 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.1) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 1 -Article 7 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13(c)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
Name: | us-gaap_PremiumsEarnedNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, after premiums ceded to other entities and premiums assumed by the entity, of accident and health premiums earned. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.1) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 1 -Article 7 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6486662&loc=d3e27175-158546 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -Subparagraph (b),(c) -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 + Details
Name: | us-gaap_PremiumsEarnedNetAccidentAndHealth
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, after premiums ceded to other entities and premiums assumed by the entity, of life premiums earned. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.1) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 1 -Article 7 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6486662&loc=d3e27175-158546 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -Subparagraph (b),(c) -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 + Details
Name: | us-gaap_PremiumsEarnedNetLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, after premiums ceded to other entities and premiums assumed by the entity, of property and casualty premiums earned. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.1) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 1 -Article 7 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6486662&loc=d3e27175-158546 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -Subparagraph (b),(c) -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 + Details
Name: | us-gaap_PremiumsEarnedNetPropertyAndCasualty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_ProductOrServiceAxis=kmpr_HomeownersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=kmpr_OtherPersonalLinesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=kmpr_PersonalAutomobileMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=us-gaap_PropertyAndCasualtyCommercialInsuranceProductLineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |