QUARTERLY FINANCIAL INFORMATION (UNAUDITED) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 671.1	$ 648.9	$ 698.0	$ 656.3	$ 719.1	$ 708.2	$ 765.2	$ 730.1	$ 2,674.3	$ 2,922.6	$ 2,950.8
Gross profit	374.7	369.4	399.7	373.4	393.0	388.1	424.5	394.2	1,517.2	1,599.8	1,577.4
Operating income	93.1	98.6	85.8	97.7	103.3	109.6	127.1	105.6	375.2	445.6	419.2
Net income attributable to DENTSPLY International, basic	$ 58.6	$ 84.5	$ 44.1	$ 64.0	$ 84.7	$ 75.3	$ 90.0	$ 72.9	$ 251.2	$ 322.9	$ 313.2
Basic (in dollars per share)	$ 0.42	$ 0.60	$ 0.32	$ 0.46	$ 0.60	$ 0.53	$ 0.63	$ 0.51	$ 1.79	$ 2.28	$ 2.20
Basic, rounding (in dollars per share)									(0.01)	0.01
Diluted (in dollars per share)	0.41	0.59	0.31	0.45	0.59	0.52	0.62	0.50	1.76	2.24	$ 2.16
Diluted, rounding (in dollars per share)									0.00	0.01
Cash dividends declared per common share	$ 0.0725	$ 0.0725	$ 0.0725	$ 0.0725	$ 0.06625	$ 0.06625	$ 0.06625	$ 0.06625	$ 0.29	$ 0.265