Note 4 - Acquisitions (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Schedule of Business Acquisitions, by Acquisition [Table Text Block]

													Aggregate
	Basalt			Rockwood			Versus			Other			Acquisitions
Current assets, excluding cash	$	1,203		$	2,091		$	3,160		$	37,736		$	44,190
Non-current assets		2,692			11,943			3,854			31,328			49,817
Current liabilities		20,574			22,600			5,309			47,361			95,844
Long-term liabilities		5,151			9,029			2,310			66,430			82,920
	$	(21,830	)	$	(17,595	)	$	(605	)	$	(44,727	)	$	(84,757	)
Cash consideration, net of cash acquired of $122,964	$	277,596		$	174,219		$	346,205		$	209,277		$	1,007,297
Acquisition date fair value of contingent consideration		12,824			6,397			-			38,379			57,600
Total purchase consideration	$	290,420		$	180,616		$	346,205		$	247,656		$	1,064,897
Acquired intangible assets (note 11)
Finite life	$	165,000		$	108,100		$	218,800		$	222,875		$	714,775
Goodwill (note 12)	$	251,525		$	198,879		$	249,058		$	236,660		$	936,122
Redeemable non-controlling interest (note 18)	$	104,275		$	108,768		$	121,048		$	167,152		$	501,243

	Aggregate
	Acquisitions
Current assets, excluding cash	$	38,215
Non-current assets		18,958
Current liabilities	$	20,006
Long-term liabilities		18,106
	$	19,061
Cash consideration, net of cash acquired of $3,322	$	60,832
Acquisition date fair value of contingent consideration		1,850
Total purchase consideration	$	62,682
Acquired intangible assets (note 11)	$	21,130
Goodwill (note 12)	$	22,491

	Revenues		Net earnings
Actual from acquired entities for 2022	$	201,750	$	26,773
Supplemental pro forma for 2022 (unaudited)		4,658,196		219,243
Supplemental pro forma for 2021 (unaudited)		4,526,317		(295,964	)