CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 59.7	$ 125.3
Other comprehensive income (loss), net of tax:
Foreign currency translation gain	49.7	186.8
Net loss on derivative financial instruments	(3.3)	(24.8)
Pension liability gain	1.2	0.9
Total other comprehensive income (loss), net of tax	47.6	162.9
Total comprehensive income	107.3	288.2
Less: Comprehensive (loss) income attributable to noncontrolling interests	(0.2)	0.4
Comprehensive income attributable to Dentsply Sirona	$ 107.5	$ 287.8