CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (95.9)	$ 36.4	$ (235.8)	$ 75.6
Other comprehensive income (loss), net of tax:
Foreign currency translation gain (loss)	73.6	43.7	(44.8)	(17.3)
Net loss on derivative financial instruments	(7.5)	(9.8)	(2.9)	(8.1)
Pension liability gain	1.5	0.9	3.1	1.8
Total other comprehensive income (loss), net of tax	67.6	34.8	(44.6)	(23.6)
Total comprehensive (loss) income	(28.3)	71.2	(280.4)	52.0
Less: Comprehensive income attributable to noncontrolling interests	0.1	0.0	0.4	0.3
Total comprehensive (loss) income attributable to Dentsply Sirona	$ (28.4)	$ 71.2	$ (280.8)	$ 51.7