Changes in Equity and Noncontrolling Interests (Tables)

9 Months Ended

Sep. 30, 2016

Changes in Equity and Noncontrolling Interests

Rollforward of consolidated changes in equity

A rollforward of consolidated changes in equity for the nine months ended September 30, 2016 is as follows:

	Amphenol Corporation Shareholders
								Accumulated
	Common Stock							Other
	Shares			Additional Paid-		Retained		Comprehensive		Treasury		Noncontrolling		Total
	(in millions)	Amount		In Capital		Earnings		Loss		Stock		Interests		Equity
Balance as of December 31, 2015	308.0	$	0.3	$	783.3	$	2,804.4	$	(349.5)	$	—	$	39.9	$	3,278.4
Net income							587.5						6.8		594.3
Other comprehensive income (loss)									52.2				(0.6)		51.6
Acquisitions resulting in noncontrolling interest													6.4		6.4
Distributions to shareholders of noncontrolling interests													(5.8)		(5.8)
Purchase of treasury stock											(229.6)				(229.6)
Retirement of treasury stock	(4.0)						(229.6)				229.6				—
Stock options exercised, including tax benefit	4.7				153.4										153.4
Dividends declared							(129.5)								(129.5)
Stock-based compensation expense					35.5										35.5
Balance as of September 30, 2016	308.7	$	0.3	$	972.2	$	3,032.8	$	(297.3)	$	—	$	46.7	$	3,754.7

A rollforward of consolidated changes in equity for the nine months ended September 30, 2015 is as follows:

	Amphenol Corporation Shareholders
								Accumulated
	Common Stock							Other
	Shares			Additional Paid-		Retained		Comprehensive		Treasury		Noncontrolling		Total
	(in millions)	Amount		In Capital		Earnings		Loss		Stock		Interests		Equity
Balance as of December 31, 2014	309.8	$	0.3	$	659.4	$	2,453.5	$	(205.8)	$	—	$	30.5	$	2,937.9
Net income							563.3						6.4		569.7
Other comprehensive income (loss)									(97.8)				(0.6)		(98.4)
Acquisition resulting in noncontrolling interest													7.9		7.9
Distributions to shareholders of noncontrolling interests													(6.1)		(6.1)
Purchase of treasury stock											(195.6)				(195.6)
Retirement of treasury stock	(3.5)						(195.6)				195.6				—
Stock options exercised, including tax benefit	1.9				54.4										54.4
Dividends declared							(120.5)								(120.5)
Stock-based compensation expense					32.1										32.1
Balance as of September 30, 2015	308.2	$	0.3	$	745.9	$	2,700.7	$	(303.6)	$	—	$	38.1	$	3,181.4