XML 53 R42.htm IDEA: XBRL DOCUMENT
v3.19.2

Acquisitions - Narrative (Details) - USD ($) $ in Millions |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Jan. 02, 2019 | Jun. 30, 2019 | Jul. 01, 2018 | Jun. 30, 2019 | Jul. 01, 2018
NextGen Global Resources LLC |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Ownership percentage acquired | 100.00% |  |  |  |
Purchase price of acquisition | $ 51.0 |  |  |  |
Purchase price paid at closing | 54.3 |  |  |  |
Intangible assets acquired | $ 21.5 |  |  |  |
Pro forma information, revenue of acquiree since acquisition date, actual |  | $ 22.7 |  | $ 42.9 |
Pro forma information, earnings or loss of acquiree since acquisition date, actual |  | 1.5 |  | 2.4 |
Business combination, revenue reported by acquired entity for prior period |  |  | $ 15.6 |  | $ 28.2
Business combination, net earnings reported by acquired entity for prior period |  |  | 0.5 |  | 0.6
Global Technology Associates, LLC |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Ownership percentage acquired | 100.00% |  |  |  |
Purchase price of acquisition | $ 34.0 |  |  |  |
Purchase price paid at closing | 35.7 |  |  |  |
Intangible assets acquired | 17.3 |  |  |  |
Pro forma information, revenue of acquiree since acquisition date, actual |  | 16.7 |  | 32.4 |
Pro forma information, earnings or loss of acquiree since acquisition date, actual |  | $ 1.7 |  | $ 2.5 |
Business combination, revenue reported by acquired entity for prior period |  |  | 8.4 |  | 16.3
Business combination, net earnings reported by acquired entity for prior period |  |  | $ 0.3 |  | $ 0.7
Customer Relationships | NextGen Global Resources LLC |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Intangible assets acquired | $ 12.9 |  |  |  |
Acquired finite-lived intangible assets, weighted average useful life | 10 years |  |  |  |
Customer Relationships | Global Technology Associates, LLC |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Intangible assets acquired | $ 12.1 |  |  |  |
Acquired finite-lived intangible assets, weighted average useful life | 10 years |  |  |  |
Trade Names | NextGen Global Resources LLC |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Intangible assets acquired | $ 8.1 |  |  |  |
Acquired finite-lived intangible assets, weighted average useful life | 15 years |  |  |  |
Trade Names | Global Technology Associates, LLC |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Intangible assets acquired | $ 4.0 |  |  |  |
Acquired finite-lived intangible assets, weighted average useful life | 15 years |  |  |  |
Noncompete Agreements | NextGen Global Resources LLC |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Intangible assets acquired | $ 0.5 |  |  |  |
Acquired finite-lived intangible assets, weighted average useful life | 5 years |  |  |  |
Noncompete Agreements | Global Technology Associates, LLC |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Intangible assets acquired | $ 1.2 |  |  |  |
Acquired finite-lived intangible assets, weighted average useful life | 5 years |  |  |  |

X
- Definition Business Combination, Net Earnings Reported by Acquired Entity for Prior Period + References No definition available. + Details
Name: | kelya_BusinessCombinationNetEarningsReportedbyAcquiredEntityforPriorPeriod
Namespace Prefix: | kelya_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Business Combination, Revenue Reported by Acquired Entity for Prior Period + References No definition available. + Details
Name: | kelya_BusinessCombinationRevenueReportedbyAcquiredEntityforPriorPeriod
Namespace Prefix: | kelya_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
Name: | us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=109124213&loc=d3e6613-128477 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=109124213&loc=d3e6578-128477 + Details
Name: | us-gaap_BusinessCombinationConsiderationTransferred1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
Name: | us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=kelya_NextGenGlobalResourcesLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=kelya_GlobalTechnologyAssociatesLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TradeNamesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_NoncompeteAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |