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Segment Disclosures - Segment Earnings (loss) From Operations (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2023	Jul. 03, 2022	Jul. 02, 2023	Jul. 03, 2022
Earnings (loss) from Operations
Gross profit	$ 240.6	$ 262.4	$ 494.7	$ 521.0
SG&A expenses	(232.0)	(240.1)	(475.4)	(476.2)
Asset Impairment Charge	2.4	18.5	2.4	18.5
Earnings (loss) from operations	6.2	8.2	16.9	31.6
Gain on sale of assets			0.0	5.3
Loss on investment in Persol Holdings	0.0	0.0	0.0	(67.2)
Loss on currency translation from liquidation of subsidiary	0.0	0.0	0.0	(20.4)
Other income (expense), net	(0.6)	(1.1)	1.4	1.7
Earnings (loss) before taxes and equity in net earnings of affiliate	5.6	7.1	18.3	(54.3)
Reporting Segments
Earnings (loss) from Operations
Asset Impairment Charge	0.0	(18.5)	0.0	(18.5)
Gain on sale of assets	0.0	4.4	0.0	5.3
Corporate
Earnings (loss) from Operations
Earnings (loss) from operations	(30.0)	(23.1)	(56.4)	(48.5)
Professional & Industrial | Reporting Segments
Earnings (loss) from Operations
Gross profit	65.1	77.8	134.9	160.9
SG&A expenses	(58.6)	(67.4)	(126.1)	(138.8)
Asset Impairment Charge	0.3	0.0	0.3	0.0
Earnings (loss) from operations	6.2	10.4	8.5	22.1
Science, Engineering & Technology | Reporting Segments
Earnings (loss) from Operations
Gross profit	68.1	75.2	139.4	149.0
SG&A expenses	(50.0)	(54.8)	(102.8)	(108.0)
Asset Impairment Charge	0.1	0.0	0.1	0.0
Earnings (loss) from operations	18.0	20.4	36.5	41.0
Education | Reporting Segments
Earnings (loss) from Operations
Gross profit	32.5	26.0	71.8	52.6
SG&A expenses	(23.1)	(20.4)	(46.9)	(39.0)
Earnings (loss) from operations	9.4	5.6	24.9	13.6
Outsourcing & Consulting | Reporting Segments
Earnings (loss) from Operations
Gross profit	41.3	46.2	82.9	83.5
SG&A expenses	(37.7)	(39.8)	(78.2)	(74.1)
Asset Impairment Charge	2.0	0.0	2.0	0.0
Earnings (loss) from operations	1.6	6.4	2.7	9.4
International | Reporting Segments
Earnings (loss) from Operations
Gross profit	33.6	37.2	65.7	75.0
SG&A expenses	(32.6)	(34.6)	(65.0)	(67.8)
Earnings (loss) from operations	$ 1.0	$ 2.6	$ 0.7	$ 7.2

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