CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 253.6	$ 208.7	$ 480.9	$ 367.2
Total other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	57.4	(34.9)	120.3	11.2
Unrealized gain (loss) on cash flow hedges	(0.5)	1.3	(0.6)	(1.0)
Defined benefit plan adjustment, net of tax of ($2.2) and ($4.4) for 2017 and ($2.2) and ($4.4) for 2016, respectively	4.2	4.0	8.3	8.0
Total other comprehensive income (loss), net of tax	62.1	(32.2)	129.2	20.2
Total comprehensive income	315.7	176.5	610.1	387.4
Less: Comprehensive income attributable to noncontrolling interests	(2.8)	(1.4)	(5.7)	(3.5)
Comprehensive income attributable to Amphenol Corporation	$ 312.9	$ 175.1	$ 604.4	$ 383.9