CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
CONSOLIDATED INCOME STATEMENTS
Revenue	$ 278,604	$ 283,157	$ 267,326	$ 272,404	$ 247,364	$ 242,007	$ 231,864	$ 258,116	$ 1,101,491	$ 979,351	$ 913,866
Cost of sales	135,313	131,670	122,620	120,533	115,285	113,567	107,215	119,333	510,136	455,400	430,214
Gross profit	143,291	151,487	144,706	151,871	132,079	128,440	124,649	138,783	591,355	523,951	483,652
Selling, general and administrative expense	83,372	79,702	83,992	85,783	76,912	72,434	72,667	73,646	332,849	295,659	277,081
Research and development	14,649	15,729	15,102	14,095	12,606	13,092	13,638	13,286	59,575	52,622	55,530
Provision for doubtful accounts and notes receivable	(152)	148	547	70	(338)	(504)	728	39	613	(75)	96
Net other operating income	(2,500)	(2,500)	(2,500)	(6,914)	(2,500)	(2,500)	(2,500)	(2,500)	(14,414)	(10,000)	(10,000)
Operating income	47,922	58,408	47,565	58,837	45,399	45,918	40,116	54,312	212,732	185,745	160,945
(Gain)/loss on foreign currency transactions, net	1,848	4,510	1,417	4,580	(382)	2,675	1,350	2,230	12,355	5,873	(5,668)
(Gain)/loss on derivative instruments	(738)	(901)	2,564	(1,346)	(2,147)	2,686	(2,936)	436	(421)	(1,961)	3,302
Interest expense, net	822	788	830	970	984	866	1,014	903	3,410	3,767	3,883
Other (income)/expense	(1,227)	362	342	340	(529)	(218)	228	262	(183)	(257)	(101)
Income before taxes	47,217	53,649	42,412	54,293	47,473	39,909	40,460	50,481	197,571	178,323	159,529
Income tax provision	10,741	12,876	10,179	15,226	12,622	9,180	9,305	11,611	49,022	42,718	35,744
Net income	36,476	40,773	32,233	39,067	34,851	30,729	31,155	38,870	148,549	135,605	123,785
Less: Net income attributable to noncontrolling interests	241	223	575	765	115	431	634	593	1,804	1,773	1,992
Net income attributable to Sirona Dental Systems, Inc.	$ 36,235	$ 40,550	$ 31,658	$ 38,302	$ 34,736	$ 30,298	$ 30,521	$ 38,277	$ 146,745	$ 133,832	$ 121,793
Income per share (attributable to Sirona Dental Systems, Inc. common shareholders)
Basic	$ 0.66	$ 0.74	$ 0.58	$ 0.70	$ 0.63	$ 0.55	$ 0.55	$ 0.69	$ 2.67	$ 2.41	$ 2.19
Diluted	$ 0.65	$ 0.72	$ 0.56	$ 0.68	$ 0.62	$ 0.53	$ 0.54	$ 0.67	$ 2.61	$ 2.36	$ 2.13
Weighted average shares - basic	54,980,287	55,002,236	54,928,332	55,004,471	55,128,904	55,507,312	55,683,043	55,783,648	54,979,044	55,524,188	55,735,422
Weighted average shares - diluted	56,090,777	56,220,901	56,202,296	56,327,927	56,388,273	56,717,943	56,916,390	57,121,505	56,213,992	56,755,396	57,292,996