Fair Value Measurements (Tables)

9 Months Ended

Oct. 03, 2021

Fair Value Disclosures [Abstract]

Schedule of Fair Value Assets Measured on Recurring Basis

	As of Third Quarter-End 2021
Description	Total		Level 1		Level 2		Level 3
	(In millions of dollars)
Money market funds	$	6.5	$	6.5	$	—	$	—
Investment in Persol Holdings	222.6		222.6		—		—
Total assets at fair value	$	229.1	$	229.1	$	—	$	—
Brazil indemnification	$	(2.5)	$	—	$	—	$	(2.5)
Greenwood/Asher earnout	(4.1)		—		—		(4.1)
Insight earnout	—		—		—		—
Total liabilities at fair value	$	(6.6)	$	—	$	—	$	(6.6)

	As of Year-End 2020
Description	Total		Level 1		Level 2		Level 3
	(In millions of dollars)
Money market funds	$	120.3	$	120.3	$	—	$	—
Investment in Persol Holdings	164.2		164.2		—		—
Total assets at fair value	$	284.5	$	284.5	$	—	$	—
Brazil indemnification	$	(2.6)	$	—	$	—	$	(2.6)
Greenwood/Asher earnout	(2.1)		—		—		(2.1)
Insight earnout	(1.7)		—		—		(1.7)
Total liabilities at fair value	$	(6.4)	$	—	$	—	$	(6.4)