Note 16 - Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	2021		2020		2019
	(In millions, except for share and per share data)
Numerator used in basic and diluted EPS:
Net income attributable to Verisk	$	666.2	$	712.7	$	449.9
Denominator:
Weighted average number of common shares used in basic EPS		161,841,441		162,610,586		163,535,438
Effect of dilutive shares:
Potential common shares issuable from stock options and stock-based awards		1,497,468		2,710,123		3,024,677
Weighted average number of common shares and dilutive potential common shares used in diluted EPS		163,338,909		165,320,709		166,560,115

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

	2021			2020
Foreign currency translation adjustment	$	(338.0	)	$	(292.2	)
Pension and postretirement adjustment, net of tax		(56.6	)		(83.5	)
Accumulated other comprehensive losses	$	(394.6	)	$	(375.7	)

Comprehensive Income (Loss) [Table Text Block]

				Tax Benefit
	Before Tax			(Expense)			After Tax
December 31, 2021
Foreign currency translation adjustment attributable to Verisk	$	(45.8	)	$	—		$	(45.8	)
Foreign currency translation adjustment attributable to noncontrolling interests		(0.5	)		—			(0.5	)
Foreign currency translation adjustment		(46.3	)		—			(46.3	)
Pension and postretirement adjustment before reclassifications		39.8			(9.8	)		30.0
Amortization of net actuarial loss and prior service benefit reclassified from accumulated other comprehensive losses (1)		(4.1	)		1.0			(3.1	)
Pension and postretirement adjustment		35.7			(8.8	)		26.9
Total other comprehensive loss	$	(10.6	)	$	(8.8	)	$	(19.4	)
December 31, 2020
Foreign currency translation adjustment	$	107.9		$	—		$	107.9
Pension and postretirement adjustment before reclassifications		11.1			(2.9	)		8.2
Amortization of net actuarial loss and prior service benefit reclassified from accumulated other comprehensive losses (1)		(6.7	)		1.8			(4.9	)
Pension and postretirement adjustment		4.4			(1.1	)		3.3
Total other comprehensive income	$	112.3		$	(1.1	)	$	111.2
December 31, 2019
Foreign currency translation adjustment	$	88.4		$	—		$	88.4
Pension and postretirement adjustment before reclassifications	26.7				(6.4	)		20.3
Amortization of net actuarial loss and prior service benefit reclassified from accumulated other comprehensive losses (1)		(4.9	)		1.2			(3.7	)
Pension and postretirement adjustment		21.8			(5.2	)		16.6
Total other comprehensive income	$	110.2		$	(5.2	)	$	105.0