CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (1,050.3)	$ 105.9	$ (990.6)	$ 231.2
Other comprehensive income (loss), net of tax:
Foreign currency translation gain (loss)	222.0	(92.8)	271.7	94.0
Net (loss) gain on derivative financial instruments	(2.5)	8.5	(5.8)	(16.3)
Pension liability gain	1.1	0.9	2.3	1.8
Total other comprehensive income (loss), net of tax	220.6	(83.4)	268.2	79.5
Total comprehensive (loss) income	(829.7)	22.5	(722.4)	310.7
Less: Comprehensive income attributable to noncontrolling interests	0.3	0.5	0.1	0.9
Comprehensive (loss) income attributable to Dentsply Sirona	$ (830.0)	$ 22.0	$ (722.5)	$ 309.8