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Investment in Persol Holdings | 12 Months Ended
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Jan. 02, 2022
Investment in Persol Holdings [Abstract] |
Investment in Persol Holdings | Investment in Persol Holdings The Company has a yen-denominated investment through the Company's subsidiary, Kelly Services Japan, Inc., in the common stock of Persol Holdings Co., Ltd. ("Persol Holdings"), the 100% owner of Persol Asia Pacific Pte. Ltd., the Company's joint venture partner in PersolKelly Pte. Ltd. ("the JV"). As our investment is a noncontrolling interest in Persol Holdings, this investment is recorded at fair value based on the quoted market price of Persol Holdings stock on the Tokyo Stock Exchange as of the period end (see Fair Value Measurements footnote). A gain on the investment of $121.8 million, a loss on the investment of $16.6 million, and a gain on the investment of $35.8 million for the years ended 2021, 2020 and 2019, respectively, was recorded entirely in gain (loss) on investment in Persol Holdings in the consolidated statements of earnings. Refer to Subsequent Event footnote for a description of transactions with Persol Holdings.

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- Definition Investment in Persol Holdings [Abstract] + References No definition available. + Details
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- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2209399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2324412 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2176304 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1403 -Paragraph (b) + Details
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