Stockholders' Equity and Noncontrolling Interests (Tables)

3 Months Ended

Mar. 31, 2022

Stockholders' Equity and Noncontrolling Interests

Rollforward of consolidated changes in equity

A rollforward of consolidated changes in equity and redeemable noncontrolling interest for the three months ended March 31, 2022 is as follows:

	Amphenol Corporation Stockholders
											Accumulated						Redeemable
	Common Stock			Treasury Stock			Additional				Other		Non-				Non-
	Shares			Shares			Paid-In		Retained		Comprehensive		controlling		Total		controlling
	(in millions)	Amount		(in millions)	Amount		Capital		Earnings		Loss		Interests		Equity		Interest
Balance as of December 31, 2021	600.7	$	0.6	(1.6)	$	(100.0)	$	2,409.0	$	4,278.9	$	(286.5)	$	58.1	$	6,360.1	$	19.0
Net income										425.7				3.0		428.7		0.5
Other comprehensive income (loss)												(17.0)		—		(17.0)		—
Purchase of noncontrolling interest								(0.4)						(0.1)		(0.5)
Distributions to shareholders of noncontrolling interests														(3.1)		(3.1)
Purchase of treasury stock				(2.6)		(204.0)										(204.0)
Retirement of treasury stock	(2.3)		—	2.3		183.0				(183.0)						—
Stock options exercised	0.3		—	0.3		20.0		10.2		(10.6)						19.6
Dividends declared ($0.20 per common share)										(119.5)						(119.5)
Stock-based compensation expense								19.7								19.7
Balance as of March 31, 2022	598.7	$	0.6	(1.6)	$	(101.0)	$	2,438.5	$	4,391.5	$	(303.5)	$	57.9	$	6,484.0	$	19.5

A rollforward of consolidated changes in equity for the three months ended March 31, 2021 is as follows:

	Amphenol Corporation Stockholders
											Accumulated
	Common Stock			Treasury Stock			Additional				Other		Non-
	Shares			Shares			Paid-In		Retained		Comprehensive		controlling		Total
	(in millions)	Amount		(in millions)	Amount		Capital		Earnings		Loss		Interests		Equity
Balance as of December 31, 2020	600.7	$	0.6	(2.0)	$	(111.1)	$	2,068.1	$	3,705.4	$	(278.1)	$	67.0	$	5,451.9
Net income										329.6				2.2		331.8
Other comprehensive income (loss)												(56.9)		(0.2)		(57.1)
Acquisitions resulting in noncontrolling interest														1.8		1.8
Purchase of noncontrolling interest								2.5						(7.3)		(4.8)
Distributions to shareholders of noncontrolling interests														(2.8)		(2.8)
Purchase of treasury stock				(2.4)		(152.8)										(152.8)
Retirement of treasury stock	(2.1)		—	2.1		133.0				(133.0)						—
Stock options exercised	0.6		—	0.2		13.5		16.0		(8.3)						21.2
Dividends declared ($0.145 per common share)										(86.6)						(86.6)
Stock-based compensation expense								19.1								19.1
Balance as of March 31, 2021	599.2	$	0.6	(2.1)	$	(117.4)	$	2,105.7	$	3,807.1	$	(335.0)	$	60.7	$	5,521.7

Schedules of dividends

	Three Months Ended March 31,
	2022		2021
Dividends declared	$	119.5	$	86.6
Dividends paid (including those declared in the prior year)		119.8		86.8