Note 14 - Composition of Certain Financial Statement Caption (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

	2022		2021
Accounts payable and accrued liabilities:
Accrued salaries, benefits and other related costs	$	117.4	$	142.5
Escrow liabilities		0.4		10.6
Accrued interest	16.3			16.3
Trade accounts payable and other accrued expenses		128.7		92.2
Acquisition-related liabilities		30.0		0.5
Total accounts payable and accrued liabilities	$	292.8	$	262.1

Schedule of Other Assets, Noncurrent [Table Text Block]

	2022		2021
Other noncurrent assets:
Pension benefits	$	89.0	$	130.5
Other assets - prepaid expenses		50.7		59.9
Investments in nonpublic companies		229.8		216.2
Deposits and other		1.9		2.8
Total other noncurrent assets	$	371.4	$	409.4