Income per share (Tables)

12 Months Ended

Sep. 30, 2013

Income Per Share [Abstract]

Schedule of income per share

		Year ended		Year ended		Year ended
		September 30, 2013		September 30, 2012		September 30, 2011
		$'000s (except for share amounts)
Net income attributable to Sirona Dental Systems, Inc. shareholders	$	146,745	$	133,832	$	121,793
Weighted average shares outstanding - basic		54,979,044		55,524,188		55,735,422
Dilutive effect of stock-based compensation		1,234,948		1,231,208		1,557,574
Weighted average shares outstanding - diluted		56,213,992		56,755,396		57,292,996
Net income per share
Basic	$	2.67	$	2.41	$	2.19
Diluted	$	2.61	$	2.36	$	2.13