Stockholders' Equity and Noncontrolling Interests (Tables)

9 Months Ended

Sep. 30, 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 September 30, 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 June 30, 2022	596.7	$	0.6	(1.4)	$	(92.0)	$	2,477.8	$	4,553.8	$	(475.9)	$	57.7	$	6,522.0	$	19.9
Net income										496.6				3.6		500.2		0.3
Other comprehensive income (loss)												(196.5)		(3.2)		(199.7)		—
Distributions to shareholders of noncontrolling interests														(0.3)		(0.3)
Purchase of treasury stock				(2.4)		(170.1)										(170.1)
Retirement of treasury stock	(2.1)		—	2.1		150.3				(150.3)						—
Stock options exercised	1.9		—	0.2		14.3		63.7		(6.0)						72.0
Dividends declared ($0.20 per common share)										(119.0)						(119.0)
Stock-based compensation expense								23.6								23.6
Balance as of September 30, 2022	596.5	$	0.6	(1.5)	$	(97.5)	$	2,565.1	$	4,775.1	$	(672.4)	$	57.8	$	6,628.7	$	20.2

A rollforward of consolidated changes in equity and redeemable noncontrolling interest for the nine months ended September 30, 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										1,394.8				9.8		1,404.6		1.2
Other comprehensive income (loss)												(385.9)		(6.1)		(392.0)		—
Purchase of noncontrolling interest								(0.4)						(0.1)		(0.5)
Distributions to shareholders of noncontrolling interests														(3.9)		(3.9)
Purchase of treasury stock				(7.6)		(560.1)										(560.1)
Retirement of treasury stock	(7.0)		—	7.0		519.3				(519.3)						—
Stock options exercised	2.8		—	0.7		43.3		92.3		(21.7)						113.9
Dividends declared ($0.60 per common share)										(357.6)						(357.6)
Stock-based compensation expense								64.2								64.2
Balance as of September 30, 2022	596.5	$	0.6	(1.5)	$	(97.5)	$	2,565.1	$	4,775.1	$	(672.4)	$	57.8	$	6,628.7	$	20.2

A rollforward of consolidated changes in equity for the three months ended September 30, 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 June 30, 2021	599.3	$	0.6	(1.8)	$	(100.1)	$	2,198.9	$	3,916.4	$	(300.3)	$	62.8	$	5,778.3
Net income										426.5				2.9		429.4
Other comprehensive income (loss)												(35.2)		0.1		(35.1)
Distributions to shareholders of noncontrolling interests														(3.0)		(3.0)
Purchase of treasury stock				(2.3)		(170.9)										(170.9)
Retirement of treasury stock	(2.3)		—	2.3		170.9				(170.9)						—
Stock options exercised	2.2		—	0.2		10.8		69.4		(4.7)						75.5
Dividends declared ($0.145 per common share)										(86.7)						(86.7)
Stock-based compensation expense								21.2								21.2
Balance as of September 30, 2021	599.2	$	0.6	(1.6)	$	(89.3)	$	2,289.5	$	4,080.6	$	(335.5)	$	62.8	$	6,008.7

A rollforward of consolidated changes in equity for the nine months ended September 30, 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										1,125.8				6.9		1,132.7
Other comprehensive income (loss)												(57.4)		0.9		(56.5)
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														(6.5)		(6.5)
Purchase of treasury stock				(7.2)		(491.0)										(491.0)
Retirement of treasury stock	(6.9)		—	6.9		471.2				(471.2)						—
Stock options exercised	5.4		—	0.7		41.6		158.7		(19.5)						180.8
Dividends declared ($0.435 per common share)										(259.9)						(259.9)
Stock-based compensation expense								60.2								60.2
Balance as of September 30, 2021	599.2	$	0.6	(1.6)	$	(89.3)	$	2,289.5	$	4,080.6	$	(335.5)	$	62.8	$	6,008.7

Schedules of dividends

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
Dividends declared	$	119.0	$	86.7	$	357.6	$	259.9
Dividends paid (including those declared in the prior year)		119.1		86.6		358.4		260.0