CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Statement [Abstract]
Net sales	$ 3,986.3	$ 3,993.4	$ 3,745.3
Cost of products sold	1,918.5	1,804.9	1,744.4
Gross profit	2,067.8	2,188.5	2,000.9
Selling, general and administrative expenses	1,719.1	1,674.7	1,523.0
Goodwill impairment	1,085.8	1,650.9	0.0
Restructuring and other costs	221.0	425.2	23.2
Operating (loss) income	(958.1)	(1,562.3)	454.7
Other income and expenses:
Interest expense	37.3	38.3	35.9
Interest income	(2.1)	(2.4)	(2.0)
Other expense (income), net	(34.9)	5.3	(20.1)
(Loss) income before income taxes	(958.4)	(1,603.5)	440.9
Provision (benefit) for income taxes	52.5	(53.2)	9.5
Net (loss) income	(1,010.9)	(1,550.3)	431.4
Less: Net income (loss) attributable to noncontrolling interests	0.1	(0.3)	1.5
Net (loss) income attributable to Dentsply Sirona	$ (1,011.0)	$ (1,550.0)	$ 429.9
Net (loss) income per common share attributable to Dentsply Sirona:
Basic (in dollars per share)	$ (4.51)	$ (6.76)	$ 1.97
Diluted (in dollars per share)	$ (4.51)	$ (6.76)	$ 1.94
Weighted average common shares outstanding:
Basic (in shares)	224.3	229.4	218.0
Diluted (in shares)	224.3	229.4	221.6