Note 7 - Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

Schedule of Goodwill [Table Text Block]

				Accumulated
				Impairment
	Goodwill			Losses			Total
Balance as of December 31, 2020	$	249.5		$	(41.7	)	$	207.8
Divestitures		(1.7	)		—			(1.7	)
Foreign currency fluctuations		(6.9	)		—			(6.9	)
Balance as of March 31, 2021	$	240.9		$	(41.7	)	$	199.2

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	Customer Lists			Trade Names			Technology			Total
Balance as of March 31, 2021
Original cost	$	159.1		$	31.2		$	17.5		$	207.8
Accumulated amortization		(71.3	)		(12.0	)		(9.9	)		(93.2	)
Carrying value	$	87.8		$	19.2		$	7.6		$	114.6
Weighted average original life (in years)		15			11			11
Balance as of December 31, 2020
Original cost	$	166.2		$	34.4		$	17.9		$	218.5
Accumulated amortization		(70.3	)		(12.3	)		(9.7	)		(92.3	)
Carrying value	$	95.9		$	22.1		$	8.2		$	126.2
Weighted average original life (in years)		15			11			11

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Remaining 2021	$	14.4
2022	17.4
2023		15.8
2024		14.2
2025		12.8
Thereafter		40.0
Total	$	114.6