Investment in Persol Holdings	12 Months Ended
Dec. 29, 2019
Investment in Persol Holdings [Abstract]
Investment in Persol Holdings	Investment in Persol HoldingsThe Company has a yen-denominated investment in the common stock of Persol Holdings, the Company’s joint venture partner in PersolKelly Asia Pacific. 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). The Company adopted ASU 2016-01 and as a result, effective January 1, 2018, all changes in fair value on the investment are recognized in net earnings which previously were recorded in other comprehensive income. A cumulative catch-up adjustment of the prior net unrealized gains previously recorded in other comprehensive income, and in accumulated other comprehensive income (loss), a component of stockholders’ equity, was recorded in earnings invested in the business as of January 1, 2018 for $140.0 million, net of $69.9 million of taxes. For the year ended 2019, a gain on the investment of $35.8 million was recorded entirely in the gain (loss) on investment in Persol Holdings in the consolidated statements of earnings. For the year ended 2018, a loss on the investment of $96.2 million was recorded entirely in the gain (loss) on investment in Persol Holdings in the consolidated statements of earnings.

Investment in Persol Holdings

12 Months Ended

Dec. 29, 2019

Investment in Persol Holdings [Abstract]

Investment in Persol HoldingsThe Company has a yen-denominated investment in the common stock of Persol Holdings, the Company’s joint venture partner in PersolKelly Asia Pacific. 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). The Company adopted ASU 2016-01 and as a result, effective January 1, 2018, all changes in fair value on the investment are recognized in net earnings which previously were recorded in other comprehensive income. A cumulative catch-up adjustment of the prior net unrealized gains previously recorded in other comprehensive income, and in accumulated other comprehensive income (loss), a component of stockholders’ equity, was recorded in earnings invested in the business as of January 1, 2018 for $140.0 million, net of $69.9 million of taxes. For the year ended 2019, a gain on the investment of $35.8 million was recorded entirely in the gain (loss) on investment in Persol Holdings in the consolidated statements of earnings. For the year ended 2018, a loss on the investment of $96.2 million was recorded entirely in the gain (loss) on investment in Persol Holdings in the consolidated statements of earnings.