Segment reporting (Tables)

12 Months Ended

Sep. 30, 2013

Segment Reporting [Abstract]

Schedule of segment reporting information by segment

		Year ended		Year ended		Year ended
		September 30,		September 30,		September 30,
		2013		2012		2011
		$'000s
Revenue External
Dental CAD/CAM Systems	$	409,328	$	334,539	$	306,743
Imaging Systems		378,042		343,528		319,774
Treatment Centers		210,666		197,144		183,879
Instruments		103,455		102,471		102,275
Total		1,101,491		977,682		912,671
Electronic center and corporate		0		1,669		1,195
Total	$	1,101,491	$	979,351	$	913,866
Revenue Internal
Imaging Systems		0		20		17
Treatment Centers		6		6		21
Instruments		12,822		11,832		11,218
Intercompany elimination		-12,828		-11,858		-11,256
Total		0		0		0
Electronic center and corporate		0		22,452		24,917
Intercompany elimination		0		-22,452		-24,917
Total	$	0	$	0	$	0
Revenue Total
Dental CAD/CAM Systems	$	409,328	$	334,539	$	306,743
Imaging Systems		378,042		343,548		319,791
Treatment Centers		210,672		197,150		183,900
Instruments		116,277		114,303		113,493
Total		1,114,319		989,540		923,927
Electronic center and corporate		0		24,121		26,111
Total	$	1,114,319	$	1,013,661	$	950,038
Segment performance measure
Dental CAD/CAM Systems	$	276,672	$	233,829	$	214,133
Imaging Systems		221,907		199,526		187,375
Treatment Centers		81,369		79,625		73,179
Instruments		43,212		46,966		49,599
Total		623,160		559,946		524,286
Electronic center and corporate		5,956		7,804		9,836
Total	$	629,116	$	567,750	$	534,122
Depreciation and amortization expense
Dental CAD/CAM Systems	$	13,533	$	10,260	$	8,131
Imaging Systems		6,576		6,010		6,191
Treatment Centers		7,379		7,596		7,180
Instruments		4,966		3,923		3,479
Total		32,454		27,789		24,981
Electronic center and corporate		2,539		2,011		1,251
Total	$	34,993	$	29,800	$	26,232

Schedule of reconciliation of operating profit (loss) from segments to consolidated

		Year ended		Year ended		Year ended
		September 30,		September 30,		September 30,
		2013		2012		2011
		$'000s
Revenue
Total segments (external)	$	1,101,491	$	977,682	$	912,671
Electronic center and corporate		-		1,669		1,195
Consolidated revenue		1,101,491		979,351		913,866
Depreciation and amortization
Total segments		32,454		27,789		24,981
Differences management reporting vs.
US GAAP, electronic center and corporate		43,141		49,960		56,192
Consolidated depreciation and amortization		75,595		77,749		81,173
Segment performance measure
Total segments		623,160		559,946		524,286
Differences management reporting vs.
US GAAP, electronic center and corporate		(31,805)		(35,995)		(40,634)
Consolidated gross profit		591,355		523,951		483,652
Selling, general and administrative expense		332,849		295,659		277,081
Research and development		59,575		52,622		55,530
Provision for doubtful accounts and notes receivable		613		(75)		96
Net other operating income		(14,414)		(10,000)		(10,000)
(Gain)/loss on foreign currency transactions, net		12,355		5,873		(5,668)
(Gain)/loss on derivative instruments		(421)		(1,961)		3,302
Interest expense, net		3,410		3,767		3,883
Other (income)/expense		(183)		(257)		(101)
Income before taxes	$	197,571	$	178,323	$	159,529

Schedule of intangible assets and goodwill by segment

		September 30,		September 30,
		2013		2012
		$'000s
Total assets
Dental CAD/CAM Systems	$	834,441	$	657,595
Imaging Systems		469,373		448,360
Treatment Centers		278,147		254,071
Instruments		156,458		134,508
Total	$	1,738,419	$	1,494,534
Goodwill
Dental CAD/CAM Systems	$	315,880	$	296,605
Imaging Systems		201,626		176,702
Treatment Centers		94,092		94,662
Instruments		60,488		63,108
Total	$	672,086	$	631,077

Schedule of revenue by geographical area

				United		Rest of
		Germany		States		World		Total
		$'000s
Net Sales*
October 1, 2012 to September 30, 2013	$	198,630	$	336,689	$	566,172	$	1,101,491
October 1, 2011 to September 30, 2012		159,327		284,932		535,092		979,351
October 1, 2010 to September 30, 2011		189,005		255,874		468,987		913,866
Long-lived assets**
September 30, 2013	$	159,766	$	6,459	$	22,132	$	188,357
September 30, 2012		130,314		5,434		16,985		152,733