Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Consolidated Statements of Comprehensive Income
Net income from continuing operations	$ 1,580.1	$ 1,213.3	$ 1,164.0
Add: Income from discontinued operations attributable to Amphenol Corporation, net of income taxes	21.4	0.0	0.0
Net income before allocation to noncontrolling interests	1,601.5	1,213.3	1,164.0
Total other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	(64.6)	155.0	(40.8)
Unrealized gain (loss) on hedging activities	0.0	(0.2)	0.1
Pension and postretirement benefit plan adjustment	57.8	1.7	(0.4)
Total other comprehensive income (loss), net of tax	(6.8)	156.5	(41.1)
Total comprehensive income	1,594.7	1,369.8	1,122.9
Less: Comprehensive income attributable to noncontrolling interests	(12.3)	(13.6)	(8.6)
Comprehensive income attributable to Amphenol Corporation	$ 1,582.4	$ 1,356.2	$ 1,114.3