XML 45 R71.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Long-term Equity-based Compensation (Details) (USD $) In Millions, except Share data, unless otherwise specified | 0 Months Ended | 12 Months Ended
--- | --- | ---
May 02, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Shares authorized |  | 10,000,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized |  |
Shares available for grant |  | 8,243,636 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant |  |
Share-based compensation expense |  | $ 6.4 us-gaap_AllocatedShareBasedCompensationExpense | $ 5.5 us-gaap_AllocatedShareBasedCompensationExpense | $ 5.8 us-gaap_AllocatedShareBasedCompensationExpense
Total compensation cost not yet recognized |  | $ 4.4 us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized |  |
Total compensation cost not yet recognized, period for recognition |  | 1 year 9 months 18 days |  |
Initial grant for non-employee director, shares |  | 4,000 kmpr_SharebasedCompensationInitialGrantForNonEmployeeDirectorOptions |  |
Automatic annual grant, non-employee directors, options |  | 4,000 kmpr_ShareBasedCompensationArrangementByShareBasedPaymentAwardAutomaticAnnualGrantNonEmployeeDirectorsOptions |  |
Annual awards of deferred stock units to be issued to each non-employee director | 500 kmpr_AnnualAwardsofDeferredStockUnitstobeIssuedtoeachNonEmployeeDirector |  |  |
Performance Based Restricted Stock [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Reduction in share authorization if maximum performance level is met or exceeded (shares) |  | 517,500 kmpr_ReductionInShareAuthorizationIfMaximumPerformanceLevelIsMetOrExceeded / us-gaap_AwardTypeAxis = kmpr_PerformanceBasedRestrictedStockMember |  |
Options Granted Prior to May 1, 2013 [Domain] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Automatic annual grant, non-employee directors, options, vesting period |  | 1 year |  |
Automatic annual grant, non-employee directors, options, expiration date |  | 10 years |  |

X
- Definition Annual Awards of Deferred Stock Units to be Issued to each Non-Employee Director + References No definition available. + Details
Name: | kmpr_AnnualAwardsofDeferredStockUnitstobeIssuedtoeachNonEmployeeDirector
Namespace Prefix: | kmpr_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Reduction in Share Authorization if Maximum Performance Level is Met or Exceeded + References No definition available. + Details
Name: | kmpr_ReductionInShareAuthorizationIfMaximumPerformanceLevelIsMetOrExceeded
Namespace Prefix: | kmpr_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Share Based Compensation Arrangement By Share Based Payment Award, Automatic Annual Grant, Non-Employee Directors, Options + References No definition available. + Details
Name: | kmpr_ShareBasedCompensationArrangementByShareBasedPaymentAwardAutomaticAnnualGrantNonEmployeeDirectorsOptions
Namespace Prefix: | kmpr_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share Based Compensation Arrangement By Share Based Payment Award, Automatic Annual Grant, Non-Employee Directors, Options, Expiration Date + References No definition available. + Details
Name: | kmpr_ShareBasedCompensationArrangementByShareBasedPaymentAwardAutomaticAnnualGrantNonEmployeeDirectorsOptionsExpirationDate
Namespace Prefix: | kmpr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share Based Compensation Arrangement By Share Based Payment Award, Automatic Annual Grant, Non-Employee Directors, Options, Vesting Period + References No definition available. + Details
Name: | kmpr_ShareBasedCompensationArrangementByShareBasedPaymentAwardAutomaticAnnualGrantNonEmployeeDirectorsOptionsVestingPeriod
Namespace Prefix: | kmpr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation,Initial Grant For Non-Employee Director, Options + References No definition available. + Details
Name: | kmpr_SharebasedCompensationInitialGrantForNonEmployeeDirectorOptions
Namespace Prefix: | kmpr_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
Name: | us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Unrecognized cost of unvested share-based compensation awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_AwardTypeAxis=kmpr_OptionsGrantedPriortoMay12013Domain
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=kmpr_PerformanceBasedRestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |